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"Navy NCIS: Naval Criminal Investigative Service" (2003) More at IMDbPro »
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Season 1
Season 1, Episode 1: Yankee White
23 September 2003A naval officer dies on board Air Force One of an apparent stroke after eating with the president. Secret Service, F.B.I. and N.C.I.S all want to take charge of the investigation to determine if it was murder or natural causes.
Season 1, Episode 2: Hung Out to Dry
30 September 2003A marine dies during a training jump. His parachute was sabotaged. NCIS tries to determine who did it. When they run into a legal issue, they call on Lt Bud Roberts from J.A.G.
 | Mark Harmon | ... | Special Agent Jethro Gibbs |
 | Sasha Alexander | ... | Agent Caitlin Todd |
 | Michael Weatherly | ... | Special Agent Anthony DiNozzo |
 | Pauley Perrette | ... | Abby Sciuto |
 | David McCallum | ... | Dr. Donald Mallard |
 | Patrick Labyorteaux | ... | Lt. Bud Roberts, Jr. |
 | James MacDonald | ... | Capt. Faul |
 | Rick Pasqualone | ... | Corporal Paul Dafelmair |
 | Dave Power | ... | Corporal Dave Ramsey |
| Chaney Kley | ... | Corporal Paul Brinkman |
 | Keith Diamond | ... | Sergeant Gregory Nutt |
 | Julie Gonzalo | ... | Sarah Schaefer |
| Brandon Davis | ... | Jimmy |
 | Pancho Demmings | ... | Gerald Jackson |
 | Lee Reherman | ... | Sgt. Tuers |
 | Austin Marques | ... | Billy Fuentes (as Austin Noah Marques) |
 | Christina Souza | ... | Rosemarie Fuentes |
 | Brian Wade | ... | Marine Lance Corporal |
Season 1, Episode 3: Seadog
7 October 2003A sailor is killed in an apparent drug deal gone bad. NCIS investigates to clear the sailors name.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Sasha Alexander | ... | Agent Caitlin Todd |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Pauley Perrette | ... | Abby Sciuto |
| David McCallum | ... | Dr. Donald Mallard |
 | Joe Spano | ... | Agent Fornell |
 | William R. Moses | ... | DEA Agent Kent Fuller |
 | Gregory Itzin | ... | FBI Director |
 | Joe Torry | ... | Darryl Wilkins |
 | Benny Nieves | ... | Frank Trujillo |
 | Elena Lyons | ... | Diane Fontaine |
 | Merle Dandridge | ... | Marcy Carruthers |
| Dempsey Pappion | ... | Basketball Player |
 | Sam Sarpong | ... | Bobby Jackson |
 | Mark Holton | ... | Sergeant Linn |
 | Chris Olivero | ... | Dave Simmons |
| Pancho Demmings | ... | Gerald Jackson |
 | Emilie de Ravin | ... | Nancy |
 | Jodi Bianca Wise | ... | Jenny |
 | Homie Doroodian | ... | Seth Shakir |
 | Alan Dale | ... | Tom Morrow |
 | Dar Dixon | ... | Capt. Tom Bradstone |
| Melissa Lee | ... | Sarah Parker |
 | Miguel A. Gaetan | ... | Carlos |
Season 1, Episode 4: The Immortals
14 October 2003The NCIS team investigates world of online gaming after a reconstruction of a video game stunt gone bad, kills a sailor.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Sasha Alexander | ... | Agent Caitlin Todd |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Pauley Perrette | ... | Abby Sciuto |
| David McCallum | ... | Dr. Donald Mallard |
 | Mark Sivertsen | ... | Commander Rivers |
| Kieran Mulroney | ... | Lt. Reynolds |
 | Julian Bailey | ... | P.O. Ronald Zuger |
| Brooks Almy | ... | Mrs. McDonald |
 | Elizabeth Morehead | ... | Medical Corpsman |
 | David Andriole | ... | Lieutenant Commander Robbins (as David Andriole Corrigan) |
 | Yvonne Delarosa | ... | Clerk |
| Eamon Hunt | ... | Chief Petty Officer Morris |
| Nina Alexander | ... | Ricky |
 | Colin Bain | ... | Ensign Ray |
 | Michael McLafferty | ... | Kyle |
| Chad W. Murray | ... | Seaman Russell MacDonald |
 | Casey Nelson | ... | Petty Officer Murray |
 | Jeff Peterson | ... | Brad |
 | Bradley Snedeker | ... | Petty Officer Carnahan |
| Jane C. Walsh | ... | Lisa |
 | Jeni C. Wilson | ... | Lisa |
 | Adam Vanderwielen | ... | Ducky's Assistant (uncredited) |
Season 1, Episode 5: The Curse
28 October 2003The mummified remains of a sailor is found by a hunter. The sailor had been accused of stealing millions of dollars, but the money was never found. NCIS investigates to determine who really stole the money.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Sasha Alexander | ... | Agent Caitlin Todd |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Pauley Perrette | ... | Abby Sciuto |
| David McCallum | ... | Dr. Donald Mallard |
 | David Ramsey | ... | Special Agent Richard Owens |
 | Melora Hardin | ... | Former Petty Officer Erin Toner |
 | Jim Pirri | ... | Former Ensign Randy Wiles |
 | Lauren Bowles | ... | Mary Wiles |
| Robert Pine | ... | Golfer Ben |
 | Tommy Hinkley | ... | Deer Hunter |
 | Bill Birch | ... | State Trooper Dan Lynch |
| Jonathan Wade-Drahos | ... | Lt. Greg Pallini (as Jonathan Wade Drahos) |
 | Chris Ellis | ... | Gunnery Sargeant (uncredited) |
 | Travis Aaron Wade | ... | Lt. Mark Schilz (uncredited) |
Season 1, Episode 6: High Seas
4 November 2003After a sailor is found naked in a freezer, it is determined that he is suffering from long term drug use. But his recent drug test showed no signs of drugs. An agent who used to work for Gibbs calls on him for help to figure out if how he beat the drug screen.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Sasha Alexander | ... | Agent Caitlin Todd |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Pauley Perrette | ... | Abby Sciuto |
| David McCallum | ... | Dr. Donald Mallard |
 | Joel Gretsch | ... | NCIS Special Agent Stan Burley |
 | Charlie Hofheimer | ... | Petty Officer First Class Bobby Wilkes |
 | Carlos Gómez | ... | Chief Petty Officer Reyes (as Carlos Gomez) |
| Jonathan T. Floyd | ... | Petty Officer Second Class Gil Niles |
| Anson Scoville | ... | Petty Officer Second Class Peter Shrewe |
 | Sal Landi | ... | Commander Stovic |
 | Corbin Allred | ... | Corpsman Milano |
 | Robert Baker | ... | Seaman |
 | Larry Sullivan | ... | Flight Surgeon |
| John Littlefield | ... | Stovic's Aide |
| Pancho Demmings | ... | Gerald Jackson |
 | Bruno Gioiello | ... | Air Boss |
| Jonathan Sadowski | ... | Lt. Norski |
 | Gil McKinney | ... | Crewman |
 | Monti Sharp | ... | Handler |
 | Rigo Sanchez | ... | Boyfriend |
 | Eddie Diaz | ... | Petty Officer Gomez |
 | Alex Avant | ... | Clerk |
Season 1, Episode 7: Sub Rosa
18 November 2003A badly decomposed uniformed male body is found in a barrel of hydrofluoric acid on a naval base. His skull was fatally struck with a blunt instrument. A partially preserved tattoo indicates a submarine crewman, yet none is reported missing, so NCIS suspects the murderer took over a sailor's identity after killing him. Leroy Jethro Gibbs and Special Agent Caitlin "Kate" Todd, most (un)welcome as unprecedented female on board, conduct an investigation on board the sub Philadelphia, on NATO exercise in the Atlantic, to find out about five possible suspects among the fifteen new crew members, including sonar Petty Officer Drew and Petty Officer Thompson, who lied about missing a year of high-school because of juvenile detention. The captain, Commander Robert Peters, is unwilling to keep them isolated as he can't spare time or anyone during the strenuous exercise, but sabotage is a real danger, probably within 48 hours as that time frame suffices for DNA identification. The roughly reconstructed face doesn't resemble any of the five, nor do their fingerprints turn up anything- the service personnel files must be doctored; Ducky thinks of looking for crew group photographs from ships they served on- still no match, but Abby Sciuto thinks up one better. Meanwhile on land, Anthony DiNozzo and his apt pupil Timothy McGee examine someone who suspiciously left the base recently, who turns out to be a whales-obsessed eco-terrorist with a terrifying use for chemicals on board...
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Sasha Alexander | ... | Agent Caitlin Todd |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Pauley Perrette | ... | Abby Sciuto |
| David McCallum | ... | Dr. Donald Mallard |
| Peter Onorati | ... | Chief of the Boat |
 | Sean Murray | ... | Special Agent Timothy McGee |
 | Glenn Morshower | ... | Cmdr. Robert Peters |
 | Ben Murphy | ... | Capt. Veitch |
 | Michael Lowry | ... | Lt. Com. Akron |
 | James Black | ... | Crewman |
 | Eric Ladin | ... | P.O. Thompson |
 | David Monahan | ... | Petty Officer Drew |
| J. Robin Miller | ... | Lt. Connors |
| Pancho Demmings | ... | Gerald Jackson |
 | Mik Scriba | ... | Mr. Walters |
 | David O'Donnell | ... | Jeb |
| David Black | ||
 | Mat Hostetler | ... | Mess Specialist |
| Jamie Moss | ... | Seaman Apprentice |
 | Reed Rudy | ... | Air Transport Officer |
Season 1, Episode 8: Minimum Security
25 November 2003A translator from Gitmo dies with emeralds in his stomach. NCIS investigates to find out which prisoner smuggled them in, and what he's after.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Sasha Alexander | ... | Agent Caitlin Todd |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Pauley Perrette | ... | Abby Sciuto |
| David McCallum | ... | Dr. Donald Mallard |
 | Erick Avari | ... | William Gamal |
| Joseph Bey | ... | Nasser Al Jazair |
| Pancho Demmings | ... | Gerald Jackson |
 | Heath Freeman | ... | Benjamin Frank |
| Casey McCarthy | ... | Biker Chick |
 | Kevin McCorkle | ... | Army Captain Colonel Dan McClafferty |
 | E. Roger Mitchell | ... | M.P. |
 | Jessica Steen | ... | NCIS Special Agent Paula Cassidy |
 | Hrach Titizian | ... | Tariq Abassi 'Son in Law' |
| Paul Vinson | ... | Biker |
 | Michael Shamus Wiles | ... | Jimmy the Bartender |
Season 1, Episode 9: Marine Down
16 December 2003A marine widow receives a phone call from her "dead" husband on the day of his funeral. NCIS investigates to determine if it was a crank call or if it was really him.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Sasha Alexander | ... | Agent Caitlin Todd |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Pauley Perrette | ... | Abby Sciuto |
| David McCallum | ... | Dr. Donald Mallard |
 | Crystal Allen | ... | Laura |
| Erich Anderson | ... | Jack Canton |
| Ron Baker | ... | Major Craig Peary |
 | Victor Bonavida | ... | Zach |
| Rebecca Boyd | ... | Lisa Peary |
 | Jason Brooks | ... | Marine Major Danny O'Donnell |
 | Richard Brooks | ... | Lieutenant Colonel Walsh |
| Alan Dale | ... | Tom Morrow |
| Pancho Demmings | ... | Gerald Jackson |
| John Rubinstein | ... | CIA Director Bob |
 | Carlos Sanz | ... | Gonzales |
| Michael Sarysz | ... | Corporal James Travis |
| George Stumpf | ... | Crew Chief |
| Jennifer Tighe | ... | Sarah Kidwell |
Season 1, Episode 10: Left for Dead
January 2004A Jane Doe crawls out of a shallow grave in a park, with virtually total amnesia caused by a blow on the head and the emotional trauma of live burial, unlikely to recover fast or completely, yet tells the police, which calls the NCIS, about a bomb on an unspecified US Navy ship. She wasn't raped but gets memory flashes, first about a church. She pretends to recall her name and address to grant the permission to leave the hospital, and then is taken in by Caitlin 'Kate' Todd who keeps trying to trigger her memory about the bomb. A magnetic hotel key and the chemicals required for a serious explosive are found in the grave. Micro-laser numbering traces the key to the Jackson hotel in Washington, notably Mr. Walter Richter's year long-leased suite; it contains his corps, fitting Jane Doe's description of her attacker, but he is dead too long and worked for a German bomb detection equipment company...
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Sasha Alexander | ... | Agent Caitlin Todd |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Pauley Perrette | ... | Abby Sciuto |
| David McCallum | ... | Dr. Donald Mallard |
 | Sherilyn Fenn | ... | Jane Doe / Suzzanne McNeil |
| Derek de Lint | ... | Dr. Stephen Brauer |
| Kenneth Tigar | ... | Diggar Aldridge |
 | Norbert Weisser | ... | Dr. Rutger |
 | Jim Rash | ... | Dr. Joel Sanderson |
 | Al Espinosa | ... | Tom Verne |
| Pancho Demmings | ... | Gerald Jackson |
 | Asante Jones | ... | Detective Andy Kochifis |
 | Phil Abrams | ... | Hotel Manager |
| Elena Jovis | ... | Blonde Chemist |
 | Daniella Kuhn | ... | Saleswomen |
 | Michael Rose | ... | Walter Richter (as Michael Edward Rose) |
Season 1, Episode 11: Eye Spy
13 January 2004A naval officer is killed on base on the beach. There are 2 witnesses to the crime, a sunbather, and a spy satellite that was watching the sunbather.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Sasha Alexander | ... | Agent Caitlin Todd |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Pauley Perrette | ... | Abby Sciuto |
| David McCallum | ... | Dr. Donald Mallard |
 | Katy Boyer | ... | Lieutenant Egan |
 | Bruce Gray | ... | CIA Director Roper |
| Marguerite MacIntyre | ... | Commander Lauren Tyler (as Marguerite Macintyre) |
 | James Morrison | ... | CIA Assistant Director Jonathan Overmeier |
| Sean Murray | ... | Special Agent Timothy McGee |
 | Victor McCay | ... | Ash |
| Greg Zola | ... | Worth |
 | Mercedes Colon | ... | Gina (as Mercedes Colón) |
| Pancho Demmings | ... | Gerald Jackson |
 | Parry Shen | ... | Ben Richmond |
 | Patrick Macmanus | ... | Seaman Apprentice Sparks |
 | Howard Dell | ... | Gym Manager |
| John Marrott | ... | Master Chief P.O. Roe |
| Jane Hajduk | ... | Attractive Woman |
Season 1, Episode 12: My Other Left Foot
3 February 2004The severed leg of a Marine is discovered. The investigation takes a turn, when they discover the victim had already "died" a few years ago.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Sasha Alexander | ... | Agent Caitlin Todd |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Pauley Perrette | ... | Abby Sciuto |
| David McCallum | ... | Dr. Donald Mallard |
| Stacy Haiduk | ... | Melissa Dorn |
| Bonnie Bartlett | ... | Dr. Sylvia Chalmers |
 | Terry Rhoads | ... | Stanley Borden |
 | Dean Norris | ... | Gunnery Sergeant Vestman |
 | Tony Pasqualini | ... | Man |
 | Tom McCleister | ... | Captain Brent Peters |
 | Josh Holloway | ... | Sheriff |
| Kim Wimmer | ... | Darlene |
 | Jack Kyle | ... | Frank Roberts (uncredited) |
Season 1, Episode 13: One Shot, One Kill
10 February 2004When a Marine Recruiter is killed by a sniper, NCIS starts to investigate. When another recruiter is killed in another area, the FBI tries to take over the investigation. It's a race to find the sniper before another recruiter is killed.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Sasha Alexander | ... | Agent Caitlin Todd |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Pauley Perrette | ... | Abby Sciuto |
| David McCallum | ... | Dr. Donald Mallard |
 | Michael Gaston | ... | Major Dorden |
| Francesco Quinn | ... | Gunnery Sgt. Freddie Alvarez |
 | Andy Umberger | ... | FBI Agent Freedman |
 | Brad Hawkins | ... | Sgt. Aaron Barnes |
 | T.J. Thyne | ... | Carl |
 | Noah Segan | ... | Kyle Hendricks |
| Pancho Demmings | ... | Gerald Jackson |
 | Geoff Meed | ... | Corporal David Stenson |
| Blake Shields | ... | Potential Recruit |
 | Chad Doreck | ... | Leo (uncredited) |
| Sheila Frazier | ... | ZNN Reporter Debra Green (uncredited) |
 | Zakk Moore | ... | Potential Recruit (uncredited) |
 | Kent Shocknek | ... | Male Reporter (uncredited) |
| Alex Solowitz | ... | Dave (uncredited) |
Season 1, Episode 14: The Good Samaritan
17 February 2004The body of a naval dentist is found bound and gagged alongside the road to the base. NCIS investigates with the help of a local Sheriff. As more people are killed in the same manner, they start searching for a serial killer.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Sasha Alexander | ... | Agent Caitlin Todd |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Pauley Perrette | ... | Abby Sciuto |
| David McCallum | ... | Dr. Donald Mallard |
| Stephanie Hodge | ... | Sheriff Charlene Dupray |
| Heidi Dippold | ... | Laura / Linda Siegler |
| Kate McNeil | ... | Cmdr. Margret Green |
 | Kirk B.R. Woller | ... | Lt. Commander Wayne Julius |
| Pancho Demmings | ... | Gerald Jackson |
 | Sean McGowan | ... | Lieutenant Wallace |
Season 1, Episode 15: Enigma
24 February 2004Gibbs's former military C.O. is wanted by the F.B.I. Gibbs tries to find him first, and shuts out his team. But his agents stand by their Boss.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Sasha Alexander | ... | Agent Caitlin Todd |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Pauley Perrette | ... | Abby Sciuto |
| David McCallum | ... | Dr. Donald Mallard |
| Joe Spano | ... | Agent Fornell |
 | Jeff Austin | ... | Colonel Mike Granger |
 | Kevin McClatchy | ... | Lieutenant David Cameron |
 | John Rosenfeld | ... | Agent Charles |
| Barton Tinapp | ||
| Pancho Demmings | ... | Gerald Jackson |
| Alan Dale | ... | Tom Morrow |
 | Terry O'Quinn | ... | Col. Will Ryan |
 | Grinnell Morris | ... | FBI Agent Carlson |
 | David Rountree | ... | Surveilance Technician |
Season 1, Episode 16: Bête Noire
2 March 2004A terrorist manages to infiltrate NCIS HQ. He takes Ducky, Gerald and Kate hostage. It's up to the rest of the team to find out what he's after.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Sasha Alexander | ... | Agent Caitlin Todd |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Pauley Perrette | ... | Abby Sciuto |
| David McCallum | ... | Dr. Donald Mallard |
 | Rudolf Martin | ... | Ari Haswari |
| Jessica Steen | ... | NCIS Special Agent Paula Cassidy |
| Robert Cicchini | ... | Special Agent Daniel Snyder |
| Tim Kelleher | ... | N.C.I.S. Agent Chris Pacci |
| Jennifer Gatti | ... | Negotiator Arkin |
| Pancho Demmings | ... | Gerald Jackson |
 | Ali Afshar | ... | Qassam (as Alex Dodd) |
 | Matthew Del Negro | ... | Balboa |
 | Joe Sabatino | ... | H.R.T. Leader Horowitz |
| Alan Dale | ... | Tom Morrow |
 | Constance L. McCrory | ... | Evidence Clerk |
Season 1, Episode 17: The Truth Is Out There
16 March 2004A body falls out of the ceiling during a rave party. The victim was dressed after he was killed.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Sasha Alexander | ... | Agent Caitlin Todd |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Pauley Perrette | ... | Abby Sciuto |
| David McCallum | ... | Dr. Donald Mallard |
 | Brian Thompson | ... | Master Chief P.O. Vince Nutter |
 | Leonard Roberts | ... | P.O. Howard Carter |
 | Chris J. Johnson | ... | P.O. James Morgan (as Chris Johnson) |
| Ryan Tasz | ... | P.O. David Bowman |
| Adam Wylie | ... | Darin Spotnitz |
 | James Huang | ... | Petty Officer Wong |
 | Jennifer Lyons | ... | Zoey |
 | Reginald Ballard | ... | Antwane Mann |
 | Joshua Biton | ... | P.O. Gordon (as Josh Bitton) |
| Harry Hutchinson | ... | Alexandria Cop |
 | Alex Weed | ... | Johnny |
| R.L. Scott | ... | Restaurant Goer (uncredited) |
| Joseph Benjamin Stewart | ... | Nightclub dancer (uncredited) |
Season 1, Episode 18: UnSEALed
6 April 2004A seal convicted of murdering his wife escapes from prison. He claims to have discovered who really killed his wife, and wants revenge. To catch him, NCIS must reopen the case, to figure out who he's after
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Sasha Alexander | ... | Agent Caitlin Todd |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Pauley Perrette | ... | Abby Sciuto |
| David McCallum | ... | Dr. Donald Mallard |
 | Tim Abell | ... | P.O. Jack D. Curtin |
 | Alicia Coppola | ... | Lt. Cmdr. Faith Coleman |
| Sean Murray | ... | Special Agent Timothy McGee |
| Randy J. Goodwin | ... | Diego Clare |
| Leon Russom | ... | Mr. Donaldson |
 | Barbara Tarbuck | ... | Mrs. Donaldson |
 | Al Sapienza | ... | Commander Foley |
| Tim Kelleher | ... | NCIS Agent Chris Pacci |
| Roxana Zal | ... | Marie Foley |
 | Cody Estes | ... | Kevin Curtin |
 | Cristi Harris | ... | Vicki Spain (as Cristi Ellen Harris) |
| Archie Drury | ... | Rod Spain |
Season 1, Episode 19: Dead Man Talking
27 April 2004An NCIS agent is murdered while tracking down a lead on a cold case. Now the team continues the investigation to find his murderer.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Sasha Alexander | ... | Agent Caitlin Todd |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Pauley Perrette | ... | Abby Sciuto |
| David McCallum | ... | Dr. Donald Mallard |
| Jamie Luner | ... | Amanda Reed / Lt. Cmdr. Hamilton Voss |
| Sean Murray | ... | Special Agent Timothy McGee |
 | Fredric Lehne | ... | Captain Graves (as Fredric Lane) |
 | Cristine Rose | ... | Pat Stone |
| John Marshall Jones | ... | Detective Hanley |
| Tim Kelleher | ... | NCIS Agent Chris Pacci |
| Edmund L. Shaff | ... | Building Manager Norm |
| Loren Lazerine | ... | Security Guard George |
 | Nick Jaine | ... | Jason Patel |
| Richard Augustine | ... | Janitor |
| Koco Limbevski | ... | Sailor (uncredited) |
Season 1, Episode 20: Missing
4 May 2004A marine disappears, a further investigation shows that other members of his former unit have been reported missing, then found after they were tortured/killed. Can they find the marine before he becomes the latest victim?
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Sasha Alexander | ... | Agent Caitlin Todd |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Pauley Perrette | ... | Abby Sciuto |
| David McCallum | ... | Dr. Donald Mallard |
| Steve Rankin | ... | Sgt. Bill Atlas |
 | Alex Meneses | ... | Vanessa the Waitress |
 | Derek Webster | ... | Major Joe Sacco |
| Sean Murray | ... | Special Agent Timothy McGee |
 | Jenya Lano | ... | Carol Powers |
| Jacobi Wynne | ... | Corporal |
| Dayna Devon | ... | Attractive Girl |
 | Robert Floyd | ... | Police Officer |
 | Michael Goetz | ... | Bartender |
| Cole Griffin | ... | Marine Corporal Jackson |
 | Vladimir Rajcic | ... | Agent Mark |
Season 1, Episode 21: Split Decision
11 May 2004A marine is killed with a rocket launcher. This leads to an investigation of Weapons trafficking. NCIS works with and ATF agent to get the Arms Dealers, and the Militia who was going to purchase them.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Sasha Alexander | ... | Agent Caitlin Todd |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Pauley Perrette | ... | Abby Sciuto |
| David McCallum | ... | Dr. Donald Mallard |
 | Bellamy Young | ... | A.T.F. Special Agent Melinda Stone |
| Sean Murray | ... | Special Agent Timothy McGee |
 | Scott MacDonald | ... | Roger Cooke |
 | Laz Alonso | ... | Staff Sergeant Steven Washington |
 | Sam Witwer | ... | Staff Sgt. Rafael |
 | Erin Leshawn Wiley | ... | Cpl. Patricia McClain (as Erin Wiley) |
 | Brian Dietzen | ... | Jimmy Palmer |
 | Michael Graziadei | ... | Chuck |
 | Adam Hendershott | ... | Josh |
 | Stuart Stone | ... | Dillon |
 | Laurence Cohen | ... | Scott (uncredited) |
| Brant Cotton | ... | Militia Member (uncredited) |
 | Kevin Sizemore | ... | Marine Sgt. William Moore (uncredited) |
Season 1, Episode 22: The Weak Link
18 May 2004A Seal is killed in an apparent accident while training for a highly classified mission. NCIS investigates is discovers that it wasn't an accident. NCIS must quickly determine who killed him, or the mission will have to be aborted.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Sasha Alexander | ... | Agent Caitlin Todd |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Pauley Perrette | ... | Abby Sciuto |
| David McCallum | ... | Dr. Donald Mallard |
 | Adam Baldwin | ... | Cmdr. Michael Rainer |
 | Julie Benz | ... | Denise Johnson |
| Sean Murray | ... | Special Agent Timothy McGee |
 | Doug Savant | ... | Father Larry Clannon |
| Johnny Sneed | ... | CIA Agent Andy Kramer |
 | Matt Battaglia | ... | P.O. Porcaro |
 | Ross Gibby | ... | Petty Officer Vengal |
 | Robert Joseph | ... | Lt. Commander Folsom |
| Brian Dietzen | ... | Jimmy Palmer |
 | Kathryn Gordon | ... | Young Pregnant Woman |
 | Ryan Culver | ... | Man (uncredited) |
 | Tom Hughes | ... | Lt. Rick Johnson (uncredited) |
 | Austin Priester | ... | Petty Officer Kenny (uncredited) |
Season 1, Episode 23: Reveille
25 May 2004As Gibbs's obsession with the unknown terrorist hits its boiling point, the terrorist returns. Taking Kate hostage, he's on a mission to assassinate the President's of the U.S. and Israel. All is not as it seems though.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Sasha Alexander | ... | Agent Caitlin Todd |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Pauley Perrette | ... | Abby Sciuto |
| David McCallum | ... | Dr. Donald Mallard |
| Rudolf Martin | ... | Ari Haswari |
 | Josie Davis | ... | Marta |
| Sean Murray | ... | Special Agent Timothy McGee |
| Jessica Steen | ... | NCIS Special Agent Paula Cassidy |
| Robert Cicchini | ... | Special Agent Daniel Snyder |
| Paul Perri | ||
| Joe Spano | ... | FBI Agent T.C. Fornell |
 | Nicholas Guilak | ... | Bassam |
| Brian Dietzen | ... | Jimmy Palmer |
 | Matthew Rauch | ||
 | Amir Talai | ... | Simi |
| Sheila Frazier | ... | ZNN Reporter Debra Green (as Sheila E. Frazier) |
| Dan Lundy | ... | Technician |
 | Matt Sigloch | ... | Man |
 | George W. Bush | ... | Himself (archive footage) (uncredited) |
Season 2
Season 2, Episode 1: See No Evil
28 September 2004Pentagon Navy Captain Mike Watson is told to fix a web-cam on his PC: his wife Julie and daughter Sandy are kidnapped and will be killed unless he transfers $2,000,000 from the special ops fund within two days. McGee and Abby work out how the kidnapper got to the computer using a Trojan virus program, and how to hack in their turn. Once Gibbs is enabled to communicate with Watson, he coaches him how to negotiate the liberation of the daughter as proof of good faith, and enough for DiNozzo to find traces to identify and physically chase the kidnapper. Yet tracing the money proves even more revealing..
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Sasha Alexander | ... | Agent Caitlin Todd |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| David McCallum | ... | Dr. Donald Mallard |
 | David Keith | ... | Navy Capt. Mike Watson |
 | William Mapother | ... | Kyle Grayson |
| Ely Pouget | ... | Julie Watson |
| Brian Dietzen | ... | Jimmy Palmer |
 | Audrey Wasilewski | ... | Shirley Wilkes |
 | Abigail Breslin | ... | Sandy Watson |
 | Nick Warnock | ... | Marine Staff Sgt |
Season 2, Episode 2: The Good Wives Club
5 October 2004The body of a sailor is found in an underground chamber. She was dressed in a bridal gown, and chained. NCIS finds out there were other victims. Can they find the person responsible before the next one perishes?
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Sasha Alexander | ... | Agent Caitlin Todd |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| David McCallum | ... | Dr. Donald Mallard |
 | Spencer Garrett | ... | Commander Spencer |
 | Matt Carmody | ... | Chaplain Brett Evans |
| Brian Dietzen | ... | Jimmy Palmer |
| Betsy Brandt | ... | Petty Officer Barbara Swain |
 | Tara Buck | ... | Petty Officer Debra Marshall |
 | Michael G. Canaan | ... | Marine (as Michael Cannaan) |
| Kendall Clement | ... | Foreman (credit only) |
| Kate Hodge | ... | NCIS Agent Jane Melankovic |
 | Jerry O'Donnell | ... | Lt. Cmdr. Scott Willis |
 | Blayne Weaver | ... | P.O. Darrell Baum |
| Emily Hardy | ... | Petty Officer Carolyn Figgis (uncredited) |
Season 2, Episode 3: Vanished
12 October 2004When a helicopter and her crew go UA. The team finds the copter, but the crew is still missing. The team finds out there's a large number of "hunting accidents" in the area and hope to find the crew before something happens.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Sasha Alexander | ... | Agent Caitlin Todd |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| David McCallum | ... | Dr. Donald Mallard |
 | Timothy Bottoms | ... | Ritt Everett |
 | Tom Bower | ... | Sheriff Miller Thompson |
 | Robert Rusler | ... | Lt. Col. Curtis Teague |
| Jeremy Garrett | ... | Captain Patrick Barnett |
 | Jennifer Hall | ... | Daphne Everett |
 | Rob Boltin | ... | Captain Rod Newell |
 | Don Swayze | ... | Logan Clay |
| Todd Kimsey | ... | Police Capt. Grant |
Season 2, Episode 4: Lt. Jane Doe
19 October 2004When the body of a navy sailor is discovered, Ducky finds evidence to suggest a link to a 10 year old cold case.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Sasha Alexander | ... | Agent Caitlin Todd |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| David McCallum | ... | Dr. Donald Mallard |
 | Amy Sloan | ... | P.O. Cynthia Cluxton |
 | Ben Reed | ... | Master Chief Ian Goetz |
 | Jack Kehler | ... | Tom Wilson |
| David Marciano | ... | Bartender |
| Brian Dietzen | ... | Jimmy Palmer |
 | Kent Faulcon | ... | Cmdr. Reynolds |
 | Don Jeffcoat | ... | Seaman Tom Jennings (as Donnie Jeffcoat) |
 | Chris Heuisler | ... | Seaman Joe Wilkins |
 | Julia Rose | ... | Female Bartender |
 | Mariela Santos | ... | Janice Santos |
Season 2, Episode 5: The Boneyard
26 October 2004Gibbs is furious at the flippant local reception on a crime scene on a Quantico USMC training ground, which also turns out the full dumping ground of a cruel serial killer. Since one body is identified as smalltime mafioso Vic Gera alias Guido Valentino, the team faces a mob investigation, and someone powerful is crossing them, even using a rarely powerful computer to upset their system, but it turns out to be no less then the FBI, notably Senior FBI Agent T.C. Fornell, who tells Gibbs in confidence Gera was his man, he's after mafia don Jimmy Napolitano for years, but now needs Gibbs's help to track a moll, while the bureau suspects Fornell himself so he's jailed. Another corps is identified as Frankie Pilato, a missing witness against Napolitano. Fornell hangs himself in his cell. Gibbs offers Jimmy a multiple trap-deal...
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Sasha Alexander | ... | Agent Caitlin Todd |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| David McCallum | ... | Dr. Donald Mallard |
| John Rosenfeld | ... | Agent Charles |
| Robert Costanzo | ... | Jimmy Napolitano |
| Chris Ellis | ... | Gunnery Sergeant. John Deluca |
| Brian Dietzen | ... | Jimmy Palmer |
 | Mary Pat Gleason | ... | Nurse Wells |
 | Joe Tabb | ... | Ricky Napolitano (as Joe Tabbanella) |
 | Blue Deckert | ... | Federal Marshal |
| Joe Spano | ... | Agent Fornell |
| Chas. Floyd Johnson | ... | AFIP Medical Examiner |
 | Matthew Atherton | ... | Captain Chet Starling |
 | Laird Macintosh | ... | Corporal Stinson |
 | Michael Guarnera | ... | Vic Gera |
 | Oleg Zatsepin | ... | Sal Balducci |
 | Dawn Ashley Cook | ... | Tiffany (uncredited) |
 | Curt Dousett | ... | Police Officer Randall (uncredited) |
| Stuart Gold | ... | Abe Vigoda (uncredited) |
 | James Pitt | ... | Marine Corps Captain (uncredited) |
Season 2, Episode 6: Terminal Leave
16 November 2004NCIS must protect an officer about to retire ("Terminal Leave") who is targeted by terrorists for her actions in the Middle-East. But the real threat may be closer to home.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Sasha Alexander | ... | Agent Caitlin Todd |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| David McCallum | ... | Dr. Donald Mallard |
| Elizabeth Peña | ... | FBI Agent Lina Reyes |
| Sean O'Bryan | ... | David Shields |
| Amanda Fuller | ... | Jen Shields |
 | Rebecca Staab | ... | Greta Boyen |
| Tim Ryan | ... | Greg Boyen |
| Brian Dietzen | ... | Jimmy Palmer |
 | Jesse Head | ... | Lyle Chamber |
 | David Henrie | ... | Willy Shields |
| Mary Page Keller | ... | Lt. Commander Michaela 'Micki' Shields |
 | Bobby Neely | ... | Roland Alan Moore |
 | Alex Alexander | ... | Sara Turcott (as Alex S. Alexander) |
| Suzanne Rico | ... | Suzanne McRobert |
Season 2, Episode 7: Call of Silence
23 November 2004NCIS investigates a murder from WWII as a Medal of Honor recipient turns himself in for the murder of his best friend.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Sasha Alexander | ... | Agent Caitlin Todd |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| David McCallum | ... | Dr. Donald Mallard |
| Charles Durning | ... | Ernie Yost |
| Alicia Coppola | ... | Lt. Cmdr. Faith Coleman |
 | Garette Ratliff Henson | ... | Young Cpl. Ernie Yost (as Garette Henson) |
| Lloyd Kino | ... | Hitoshi Yoshida |
 | Andy B. Dardaine | ... | Actor |
 | Bennet Guillory | ... | Henry (as Ben Guillory) |
 | Hugh B. Holub | ... | Superintendent (as Hugh Holub) |
 | Scott Miles | ... | Private Ferris Bellows |
 | Marc Senter | ... | Private Chip Stearns |
 | Jason Alan Smith | ... | Corporal Wade Kean |
| Kevin Sizemore | ... | Marine Sgt. William Moore (uncredited) |
 | Marc D. Wilson | ... | M.P. Jenkins (uncredited) |
Season 2, Episode 8: Heart Break
30 November 2004After heart surgery, a person dies in an apparent case of Spontaneous Human Combustion. NCIS investigates and discovers the victims had a few people who might have had a motive to want him dead.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Sasha Alexander | ... | Agent Caitlin Todd |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| David McCallum | ... | Dr. Donald Mallard |
 | Nathan Wetherington | ... | Ensign Evan Hayes |
 | Michael Dempsey | ... | Coach Morgan |
| Brian Dietzen | ... | Jimmy Palmer |
| Billy Brown | ... | Chief Petty Officer Velat |
| Charles Walker | ||
 | Derrex Brady | ... | Navy Corpsman |
| Stacy Edwards | ... | Commander Janice Byers |
 | Tyler Kain | ... | Tiffany |
| Matthew Ness | ... | Spenser |
| Jessica Steen | ... | NCIS Special Agent Paula Cassidy |
 | Mary Wickliffe | ... | Nurse Dooley (as Mary Wyckliffe) |
| Ben Ziff | ... | Jonathon |
| Brent Lydic | ... | Party Guy (uncredited) |
Season 2, Episode 9: Forced Entry
7 December 2004A woman shoots a would-be-rapist in her home. The intruder says he was enacting her fantasy from an Internet site. NCIS gets to the bottom of the matter.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Sasha Alexander | ... | Agent Caitlin Todd |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| David McCallum | ... | Dr. Donald Mallard |
 | Neil Hopkins | ... | Jeremy Davison |
 | Sterling Macer Jr. | ... | Marine Sgt. Chris Hegarty |
| Brian Dietzen | ... | Jimmy Palmer |
| Josh Daugherty | ... | Devon Kane |
| Harriet Margulies | ... | Attractive Older Woman |
 | Lindsay Price | ... | Navy Lt. Pam Kim |
 | Megan Ward | ... | Laura Rowens |
 | Missy Yager | ... | Michelle Davison |
Season 2, Episode 10: Chained
14 December 2004Tony is chained to a fugitive on an undercover mission, and NCIS struggles to keep track of him as the fugitive drags Tony cross-country.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Sasha Alexander | ... | Agent Caitlin Todd |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| David McCallum | ... | Dr. Donald Mallard |
 | Annie Corley | ... | Deputy Secretary of State Anna Elliot |
 | John Thaddeus | ... | Lane Danielson / Billy Collins |
 | Don S. Davis | ... | MTAC Control Officer |
 | Miguel Pérez | ... | Federal Marshal Van Driver (as Miguel Perez) |
| Frank Whaley | ... | Jeffrey White |
| Jason Christopher | ... | Motorcycle Rider |
| Ken Strunk | ... | Gas Station Owner |
 | Dan Warner | ... | Federal Marshal |
Season 2, Episode 11: Black Water
11 January 2005The body of long missing sailor is recovered. His wealthy family offered a reward to find his murderer. A private investigator helps in the investigation to claim the reward.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Sasha Alexander | ... | Agent Caitlin Todd |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| David McCallum | ... | Dr. Donald Mallard |
 | Mike Starr | ... | Monroe Cooper |
 | Michael Weaver | ... | Thomas McAllister |
 | Robin Riker | ... | Saleena Lockhart |
| Brian Dietzen | ... | Jimmy Palmer |
 | Mark D. Espinoza | ... | Sheriff Deke Lester (as Mark Damon Espinoza) |
 | Lorna Scott | ... | Sally Parker |
 | Jimmy Palumbo | ... | Stage Manager |
 | Gina St. John | ... | Cindy Ames |
 | Rob Luke | ... | P.A. |
 | Carryl Lynn | ... | Elaine McAllister |
Season 2, Episode 12: Doppelgänger
18 January 2005NCIS works with civilian police - who bear an uncanny resemblance to the NCIS team.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Sasha Alexander | ... | Agent Caitlin Todd |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| David McCallum | ... | Dr. Donald Mallard |
 | John Doman | ... | Lt. Cheney |
 | Chad Willett | ... | Detective Primo Monteleone |
 | Rebecca McFarland | ... | Detective Rachel Rapp |
| Kimberly Oja | ... | Karen Wilkerson |
 | Rob Benedict | ... | Aaron Alan Wright (as Robert Patrick Benedict) |
 | Will Burke | ... | Detective Todd Miller |
| Willie C. Carpenter | ... | Arthur Gruden |
 | Grant Garrison | ... | P.O. Niles Wilson |
 | Jeremy Guskin | ... | Roland Kesta |
 | Craig Welzbacher | ... | George Mansur |
| Michael Archer | ... | Salesperson #1 |
 | Ange Billman | ... | Sales Person #2 (uncredited) |
 | Bryan Irzyk | ... | P.O. Dion Lambert (uncredited) (voice) |
Season 2, Episode 13: The Meat Puzzle
8 February 2005The mysterious "meat puzzles" left for NCIS are identified, leading to one of Ducky's old cases and a former convict who wants revenge.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Sasha Alexander | ... | Agent Caitlin Todd |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| David McCallum | ... | Dr. Donald Mallard |
 | Pat Healy | ... | Jonathan Hanlan |
 | Lee Garlington | ... | Mary Hanlan |
| Holmes Osborne | ... | Fred Hanlan |
| Brian Dietzen | ... | Jimmy Palmer |
| Morgan Weisser | ... | Vincent Hanlan |
 | Jesse D. Goins | ... | Jeffrey Wilson |
 | Nina Foch | ... | Mrs. Victoria Mallard |
 | Dave Shalansky | ... | Delivery Man |
Season 2, Episode 14: Witness
15 February 2005A young woman witnesses someone being assaulted in the apartment across the street. But there's no evidence of foul play in the apartment. McGee starts the investigation to find out what she really saw.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Sasha Alexander | ... | Agent Caitlin Todd |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| David McCallum | ... | Dr. Donald Mallard |
 | Jack McGee | ... | Det. Curtis Floyd |
 | Danica McKellar | ... | Erin Kendall |
 | Tina Lifford | ... | Dr. Pamela Fox |
| Conor Dubin | ... | Jeremy Pryor |
| Brian Dietzen | ... | Jimmy Palmer |
 | Colleen Porch | ... | Jill Meyers |
 | Christopher Stapleton | ... | Lt. Don Wade |
| Alana Stelling | ... | Petty Officer Meg Walker |
| Dave Price | ... | Elevator Operator (uncredited) |
Season 2, Episode 15: Caught on Tape
22 February 2005The key to solving a murder out in the woods may rest inside a damaged video recorder.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Sasha Alexander | ... | Agent Caitlin Todd |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| David McCallum | ... | Dr. Donald Mallard |
| Tim De Zarn | ... | David Runion (as Tim Dezarn) |
 | Marieh Delfino | ... | Judy Moore |
 | David Lipper | ... | Marine Sgt. Roger Caine |
| Kevin Sizemore | ... | Marine Sgt. William Moore |
| Brian Dietzen | ... | Jimmy Palmer |
 | John Lacy | ... | Park Ranger Kett |
Season 2, Episode 16: Pop Life
1 March 2005A dance club bartender wakes up in bed with a dead female petty officer and claims this was not the woman he came home with, despite the fact that he was drunk at the time.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Sasha Alexander | ... | Agent Caitlin Todd |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| David McCallum | ... | Dr. Donald Mallard |
 | Mya | ... | Samantha 'Jade' King (as Mya Harrison) |
 | Steven Brand | ... | Ian Alfred 'Buldog' Hitch |
 | Scott Alan Smith | ... | Det. Mark Mauceri |
 | Conrad Roberts | ... | Benjamin King |
| Brian Dietzen | ... | Jimmy Palmer |
 | Kiko Ellsworth | ... | Willie Taylor |
 | Daya Vaidya | ... | Summer Diamond / Keisha Scott |
 | Shang Forbes | ... | D.J. |
| Mark Griffin | ... | Blue McGinty |
 | Tommi Delton | ... | Police Officer - Norfolk, Virginia (uncredited) |
Season 2, Episode 17: An Eye for an Eye
22 March 2005A sailor receives a package containing a pair of human eyes.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Sasha Alexander | ... | Agent Caitlin Todd |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| David McCallum | ... | Dr. Donald Mallard |
 | Anthony Heald | ... | Guyman Purcell |
| Brian Dietzen | ... | Jimmy Palmer |
 | Carlos Lacamara | ... | Joe Tabarez |
 | Madison Mason | ... | Lt. Col. Bushnell |
 | Mark Adair-Rios | ... | Ignacio Mejia 'Iggy' |
| Cleo King | ... | Della Robinson |
 | Daniel Jay Shore | ... | Petty Officer Benjamin Horlacher |
 | Tania Raymonde | ... | Anna Real |
 | Kristin Proctor | ... | Lt. Susan Ellsworth |
 | Virginia Reece | ... | Allison Donovan |
Season 2, Episode 18: Bikini Wax
29 March 2005A woman is found murdered in the woman's bathroom. She was participating in a swimsuit contest. Was it the work of a jealous rival or something else?
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Sasha Alexander | ... | Agent Caitlin Todd |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| David McCallum | ... | Dr. Donald Mallard |
 | Tamara Craig Thomas | ... | Lisa Kerr |
 | Lochlyn Munro | ... | Kevin Holt |
| Brian Dietzen | ... | Jimmy Palmer |
| Jon Sklaroff | ... | Jonathan Redding |
 | Lamont Thompson | ... | Police Lt. Sommers |
 | Larry Cedar | ... | Jason Kaplan |
 | Nathan Anderson | ... | Luke Walters |
 | Emma Bates | ... | P.O. Jordan's former rackmate |
| Teck Holmes | ... | Jamel Jones |
 | Floyd Van Buskirk | ... | Rodney Garrison (as Floyd Vanbuskirk) |
 | Tasha Dixon | ... | Gina Shepard (uncredited) |
 | Nicole Pano | ... | Sally (uncredited) |
 | Sarah Prikryl | ... | Tiffany Jordon (uncredited) |
Season 2, Episode 19: Conspiracy Theory
12 April 2005A naval officer is recently released from a mental hospital. She starts to hear voices again, and gets checked back into the hospital. She is found hanging in her room a short while later. The FBI has interrogated her as part of an investigation, which caused her initial break down. NCIS continues the FBI investigation to find her killer.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Sasha Alexander | ... | Agent Caitlin Todd |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| David McCallum | ... | Dr. Donald Mallard |
 | Brigid Brannagh | ... | Catherine Reynolds |
| Dan Ziskie | ... | Captain Ross Vetter |
| Jennifer Dundas | ... | Lynn Simons |
| Brian Dietzen | ... | Jimmy Palmer |
 | Hilary Angelo | ... | Petty Officer Jessica Smith (as Hilary Salvatore) |
 | Molly Hagan | ... | Audrey Vetter |
 | Dean McDermott | ... | Lt. Cmdr. Allan Witten |
 | Kevin Quigley | ... | William the Truthteller |
 | Jonathan Redford | ... | Corpsman Timothy Morgan |
| Joe Spano | ... | Agent Fornell |
 | Robert Ray Manning Jr. | ... | Officer Alex Taylor (as Robert Manning Jr.) |
Season 2, Episode 20: Red Cell
26 April 2005A hacker interferes in the investigation of a mysterious campus group that may have led to the murder of a soldier.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Sasha Alexander | ... | Agent Caitlin Todd |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| David McCallum | ... | Dr. Donald Mallard |
 | Jeff Wincott | ... | Gunnery Sgt. Leeka (as Jeffrey Wincott) |
 | Sherman Augustus | ... | Marine Cpt. Daniel Lemay |
| Brian Dietzen | ... | Jimmy Palmer |
 | Matt DeCaro | ... | Chief Daryl Bello |
| Jon Wellner | ... | Simon Frankel |
 | Judd Trichter | ... | Hunter Huxley |
 | Kaj-Erik Eriksen | ... | Frank Smith |
 | Billy Aaron Brown | ... | Man in Mask / Donny Potter |
 | Chase Ryan Jeffery | ... | Kyle Zolin |
 | Troian Avery Bellisario | ... | Sarah McGee (as Troian Bellisario) |
 | Maria Delle Grazie | ... | Ashley Simmons (as Marie Dellegrazie) |
 | Amy Tipton | ... | Liza Taylor |
 | Jesse Heiman | ... | Frederick Pippin |
Season 2, Episode 21: Hometown Hero
3 May 2005NCIS races to prove a Sailor KIA in Iraq did not kill a girl in his hometown, in order for the Sailor to be posthumously decorated by the time of his funeral.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Sasha Alexander | ... | Agent Caitlin Todd |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| David McCallum | ... | Dr. Donald Mallard |
 | Vincent Angell | ... | Bruce Webb |
| Alicia Coppola | ... | Lt. Cmdr. Faith Coleman |
| Brian Dietzen | ... | Jimmy Palmer |
 | Shashawnee Hall | ... | Police Chief Jeff Whalen |
 | Anne Judson-Yager | ... | Emmy Pole |
 | Zack Ward | ... | Police Officer Billy Krieg |
| Elizabeth Connors | ... | Kathy Webb |
 | Matt Bushell | ... | Marine Lt. Rob King |
 | Paul Rae | ... | Steve Hager |
 | Hosea Chanchez | ... | Lance Cpl. Jaime Ramos (as Hosea) |
 | Tim Barraco | ... | Service Technician |
 | Schatar Sapphira | ... | Officer |
 | Matt Funke | ... | P.O. Justin Dobbs (uncredited) |
 | Amanda MacDonald | ... | Norah Webb (uncredited) |
Season 2, Episode 22: SWAK
10 May 2005A letter "Sealed With A Kiss" contaminates the NCIS office and personnel with a biological weapon.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Sasha Alexander | ... | Agent Caitlin Todd |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| David McCallum | ... | Dr. Donald Mallard |
| Steven Eckholdt | ... | Navy Cmdr. Dr. Brad Pitt |
 | Mariette Hartley | ... | Hanna Lowell |
| Tamara Taylor | ... | NCIS Special Agent Cassie Yates |
| Brian Dietzen | ... | Jimmy Palmer |
 | Olivia Burnette | ... | Sarah Lowell |
| Kelsey Oldershaw | ... | Navy Nurse Lt. Emma Ingham |
| Rizwan Manji | ... | Dr. Pandy |
 | Bibi Amos | ... | Receptionist |
| Ty Upshaw | ... | Security Guard |
 | Jamison Haase | ... | Will (uncredited) |
Season 2, Episode 23: Twilight
24 May 2005Ari returns to the US in a plot with a DC terrorist cell, and in the process of stopping him the NCIS team loses one of their own.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Sasha Alexander | ... | Agent Caitlin Todd |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| David McCallum | ... | Dr. Donald Mallard |
| Rudolf Martin | ... | Ari Haswari |
| Brian Dietzen | ... | Jimmy Palmer |
 | Benjamin John Parrillo | ... | Rex Eberlee (as Ben Parrillo) |
 | Shane Conrad | ... | Navy Lt. Dean Westfall |
 | Dennis Cockrum | ... | Terrorist |
| Alan Dale | ... | Tom Morrow |
| Joe Spano | ... | Agent Fornell |
| Ryan Culver | ... | Navy Lt. Curtis Janssen |
 | Sasha Maxime | ... | Virginia State Police Officer (uncredited) |
Season 3
Season 3, Episode 1: Kill Ari: Part 1
20 September 2005As DiNozzo, McGee, Abby, Ducky and Gibbs each mourn the loss of Kate in their own way, Gibbs goes after Ari--the man he believes shot Cate--and we're introduced to new NCIS Director Shepard.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| David McCallum | ... | Dr. Donald Mallard |
| Sasha Alexander | ... | Agent Caitlin Todd |
| Rudolf Martin | ... | Ari Haswari |
 | Cote de Pablo | ... | Ziva David |
| Pancho Demmings | ... | Gerald Jackson |
| Alan Dale | ... | Tom Morrow |
 | Lauren Holly | ... | NCIS Director Jenny Shepard |
 | A.J. Tannen | ... | Mossad Agent |
| Sasha Maxime | ... | Virginia State Police Officer (uncredited) |
Season 3, Episode 2: Kill Ari: Part 2
27 September 2005Gibbs's hunt for Ari continues. Mossad believes Ari still works with them, and send Ziva David to try and convince Gibbs he's after the wrong person. The Director asks Gibbs to prove Ari is the shooter.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| David McCallum | ... | Dr. Donald Mallard |
| Sasha Alexander | ... | Agent Caitlin Todd |
| Rudolf Martin | ... | Ari Haswari |
| Cote de Pablo | ... | Ziva David |
 | Gloria Votsis | ... | Dana |
| Pancho Demmings | ... | Gerald Jackson |
| Joe Spano | ... | Agent Fornell |
| Lauren Holly | ... | NCIS Director Jenny Shepard |
 | Michael Steger | ... | Sniper (uncredited) |
Season 3, Episode 3: Mind Games
4 October 2005Days before his execution, a convicted serial killer caught by Gibbs ten years ago says he'll reveal the location of his victims bodies, but only if Gibbs interviews him again.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| David McCallum | ... | Dr. Donald Mallard |
| Jessica Steen | ... | NCIS Special Agent Paula Cassidy |
| Lawrence Monoson | ... | Adam O'Neill |
 | Chad Donella | ... | John Briggs |
 | Tom Wright | ... | Warden Sam Kelleher |
| Scott Williamson | ... | Virginia Governor Charles Norin |
 | Christopher Shyer | ... | Kyle Boone |
 | Stephanie Mello | ... | Cynthia Sumner |
 | Stacie Harder | ... | Selena Boone |
| Lauren Holly | ... | NCIS Director Jenny Shepard |
Season 3, Episode 4: Silver War
11 October 2005A modern body in a Civil War coffin leads to a treasure map and a conspiracy.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Cote de Pablo | ... | Ziva David |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| David McCallum | ... | Dr. Donald Mallard |
 | Barbara Niven | ... | Dr. Elaine Burns |
| Brian Dietzen | ... | Jimmy Palmer |
 | Robert Blanche | ... | Brett Willis |
 | Larry Clarke | ... | Director (as Larry Clark) |
 | Burnadean Jones | ... | Sally Smith |
 | John Berg | ... | General Grant |
| Lauren Holly | ... | NCIS Director Jenny Shepard |
 | Byrne Offutt | ... | Judd Kearns |
| Jason Grutter | ... | Cameraman (uncredited) |
 | Tiger Mendez | ... | Military Officer (uncredited) |
Season 3, Episode 5: Switch
18 October 2005A murdered marine leads to a case of identity theft and a mystery package.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Cote de Pablo | ... | Ziva David |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| David McCallum | ... | Dr. Donald Mallard |
| Merritt Wever | ... | Wendy Smith |
 | Geoffrey Lower | ... | Cmdr. Robert Morris |
| Brian Dietzen | ... | Jimmy Palmer |
 | Wilson Bethel | ... | P.O. John Kirby (as Will Bethel) |
 | Richard Whiten | ... | Police Lt. Jody Hampton (as Richard F. Whiten) |
 | Andrew Caple-Shaw | ... | P.O. Jerry Smith |
 | Maria Bertrand | ... | Young Woman |
 | Vern Urich | ... | Nervous Man |
Season 3, Episode 6: The Voyeur's Web
25 October 2005A web-cam voyeur session records a murder, and NCIS's investigation leads to more bodies and a trail of missing money.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Cote de Pablo | ... | Ziva David |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| David McCallum | ... | Dr. Donald Mallard |
 | Bradley White | ... | Bart Powell |
| Brian Dietzen | ... | Jimmy Palmer |
| Michael Bellisario | ... | Charles 'Chip' Sterling |
| Nat Faxon | ... | Carter Finch |
 | John Eric Bentley | ... | Capt. Arthur Caldwell |
 | Marty Papazian | ... | Sgt. Jake Roberts |
 | Brittney Powell | ... | Jamie Carr |
| Lauren Holly | ... | NCIS Director Jenny Shepard |
| Stephanie Mello | ... | Cynthia Sumner |
 | Mikki Padilla | ... | Leanne Roberts |
 | Colby Paul | ... | Skateboard Kid #1 |
 | Malik Kirkwood | ... | Skateboard Kid #2 |
Season 3, Episode 7: Honor Code
1 November 2005A kidnapping leaves behind a young boy whom Gibbs befriends while trying to prove that the boy's father isn't a traitor.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Cote de Pablo | ... | Ziva David |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| David McCallum | ... | Dr. Donald Mallard |
 | Jack Stehlin | ... | Commander Harry Wilder |
| Michael Reilly Burke | ... | Frank Connell |
| Michael Bellisario | ... | Charles 'Chip' Sterling |
 | Joseph Castanon | ... | Zach Tanner |
 | Susse Budde | ... | Laura Osgood |
| Lauren Holly | ... | NCIS Director Jenny Shepard |
 | Paul Webster | ... | Lt. Commander Alex Tanner |
| Brian Fitzpatrick | ... | Willis Hirst (as Brian Thomas Fitzpatrick) |
 | Dominic Pace | ... | Vincent Pazzo |
| Mary Matilyn Mouser | ... | Kelly Gibbs (as Mary Mouser) |
Season 3, Episode 8: Under Covers
8 November 2005Tony and Ziva go undercover as a pair of married assassins to learn who their target is at the Marine Corps birthday celebration.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Cote de Pablo | ... | Ziva David |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| David McCallum | ... | Dr. Donald Mallard |
 | Phillip Rhys | ... | Yussif |
 | Michelle Krusiec | ... | Maya |
| Michael Bellisario | ... | Charles 'Chip' Sterling |
| Brian Dietzen | ... | Jimmy Palmer |
| Eric Steinberg | ... | Marcos Siazon |
| Joe Spano | ... | Agent Fornell |
| Lauren Holly | ... | NCIS Director Jenny Shepard |
 | Matthew Kaminsky | ... | Henry Spivey |
| Sonny Surowiec | ... | C.K. Cord |
 | Jennifer De Minco | ... | Sophie Ranier (uncredited) |
 | Rife Sibley | ... | Jean-Paul Ranier (uncredited) |
Season 3, Episode 9: Frame Up
22 November 2005Forensic evidence left behind on a woman's body part implicates Tony in the murder, and the NCIS team scrambles to prove his innocence before the FBI charges him with the crime.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Cote de Pablo | ... | Ziva David |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| Lauren Holly | ... | NCIS Director Jenny Shepard |
| David McCallum | ... | Dr. Donald Mallard |
 | Don Franklin | ... | FBI Agent Ron Sacks |
| Michael Bellisario | ... | Charles 'Chip' Sterling |
| Matt Malloy | ... | George Petri |
| Brian Dietzen | ... | Jimmy Palmer |
| Lindsay Price | ... | Navy Lt. Pam Kim |
 | Elizabeth Ann Bennett | ... | Carla Johnson (as Elizabeth Bennett) |
 | Jarrod Crawford | ... | Marine M.P. Sgt. Brooks |
 | Randy Wayne | ... | Grant Bridges |
| Joe Spano | ... | Agent Fornell |
 | Casey Weiant | ... | Mina Campbell |
| David Brant | ... | Special Agent David Brant |
Season 3, Episode 10: Probie
29 November 2005McGee shoots an undercover cop, and NCIS attempts to figure out what happened while McGee deals with the consequences.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Cote de Pablo | ... | Ziva David |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| Lauren Holly | ... | NCIS Director Jenny Shepard |
| David McCallum | ... | Dr. Donald Mallard |
 | Christopher Allport | ... | Metro Police Cpt. Dan Karzin |
 | William Gregory Lee | ... | Metro Police Sgt. Keith Archer |
| Brian Dietzen | ... | Jimmy Palmer |
| Stephanie Mello | ... | Cynthia Sumner |
 | Taryn O'Neill | ... | Assistant |
| Gary Sommers | ... | John Benedict |
Season 3, Episode 11: Model Behavior
13 December 2005A death on the reality show "Bootcamp Babes" brings NCIS to Quantico and into an investigation of the death of a supermodel.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Cote de Pablo | ... | Ziva David |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| Lauren Holly | ... | NCIS Director Jenny Shepard |
| David McCallum | ... | Dr. Donald Mallard |
| John Pleshette | ... | Tom Crawley |
 | Jeffrey Pierce | ... | Marine Sgt. Michael McMannis |
| Brian Dietzen | ... | Jimmy Palmer |
| Mini Anden | ... | Hannah Bressling |
 | Judith Shekoni | ... | Natalie Vance |
 | Wendy Braun | ... | Cindy Sanchez |
| Stephanie Mello | ... | Cynthia Sumner |
| Kent Shocknek | ... | Guy Ross |
| Gomez Warren | ... | A.V. Tech (as Gomez Warren IV) |
Season 3, Episode 12: Boxed In
10 January 2006Ziva and Tony are trapped in a shipping container while investigating a smuggled shipment of explosives.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Cote de Pablo | ... | Ziva David |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| Lauren Holly | ... | NCIS Director Jenny Shepard |
| David McCallum | ... | Dr. Donald Mallard |
| Daniel Roebuck | ... | Port Security Chief Matthew Lake |
| Morocco Omari | ... | Special Agent Thomas Survoy |
 | Tony Armatrading | ... | William N'Diaye (as Anthony Armatrading) |
 | James Martin Kelly | ... | Mookie Perkins |
 | Scott Norris | ... | Marine (uncredited) |
| Damontre Owens | ... | Stand in for CC (uncredited) |
Season 3, Episode 13: Deception
17 January 2006An abducted officer leads to the possible theft of nuclear material and a suspected pedophile.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Cote de Pablo | ... | Ziva David |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| Lauren Holly | ... | NCIS Director Jenny Shepard |
| David McCallum | ... | Dr. Donald Mallard |
 | Phil Morris | ... | Navy Capt. Paul Martino |
 | P.J. Byrne | ... | Ross Logan |
 | Eric Lange | ... | William Lafferty |
 | Helen Eigenberg | ... | Lt. Cmdr. Amanda Wilkerson |
 | Jesse Plemons | ... | Jason Geckler |
 | Zac Efron | ... | Danny |
| Austin Stout | ... | Tim |
 | Gary Kraus | ... | Security Officer Chuck Parnell |
Season 3, Episode 14: Light Sleeper
31 January 2006A seeming case of domestic violence gone wrong leads to a North Korean sleeper agent.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Cote de Pablo | ... | Ziva David |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| Lauren Holly | ... | NCIS Director Jenny Shepard |
| David McCallum | ... | Dr. Donald Mallard |
| Keone Young | ... | Lee Sung |
 | Esther Chae | ... | Yoon Dawson (as Esther K. Chae) |
| Brian Dietzen | ... | Jimmy Palmer |
 | Karl Makinen | ... | Staff Sergeant James Dawson |
 | Tim Griffin | ... | Marine Sgt. Malcolm Porter |
| Ruth Rudnick | ... | Gina Goodwin |
 | Mark Newsom | ... | FBI Stakeout Agent #1 (uncredited) |
Season 3, Episode 15: Head Case
7 February 2006A raid on an auto chop-shop leads to a decapitated head - without its body.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Cote de Pablo | ... | Ziva David |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| Lauren Holly | ... | NCIS Director Jenny Shepard |
| David McCallum | ... | Dr. Donald Mallard |
| Chelsea Field | ... | Jocelyn Wayne |
 | Scott Atkinson | ... | Lt. Cmdr. Kyle Ross |
 | Stephanie Michels | ... | Sean Oliver |
| Brian Dietzen | ... | Jimmy Palmer |
 | Bruce French | ... | Floyd Vernon |
 | Jamie Martz | ... | Petty Officer First Class Marc Hobie |
 | Ivar Brogger | ... | Simon Katz |
 | Thea Rose | ... | Chrissy Wayne |
 | Rick Sparks | ... | Seaman Fred Randall |
| Caleb Brown | ... | Petty Officer Third Class Michael Jones |
| Greta Sesheta | ... | Receptionist |
 | Josh Kelly | ... | SD Special Agent (uncredited) |
Season 3, Episode 16: Family Secret
28 February 2006An ambulance explodes with the remains of a Marine in it, and the resulting mystery puts the team in a quandary.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Cote de Pablo | ... | Ziva David |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| Lauren Holly | ... | NCIS Director Jenny Shepard |
| David McCallum | ... | Dr. Donald Mallard |
| Conor O'Farrell | ... | William Danforth |
| Brian Dietzen | ... | Jimmy Palmer |
| John L. Adams | ... | EMT Seth Patterson |
| Brandon Largent | ... | Corporal Kenneth Merrill |
 | Michael Holden | ... | Dr. Wayne Dobson |
 | Evan Helmuth | ... | EMT Jeff Beilsman |
| Stephanie Mello | ... | Cynthia Sumner |
 | Jeremy Brandt | ... | Corpsman |
 | Ellen Hollman | ... | NCIS Special Agent Tina Larsen |
Season 3, Episode 17: Ravenous
7 March 2006Dogtags discovered in the Shenandoahs send the team on a search for a missing Marine and his girlfriend.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Cote de Pablo | ... | Ziva David |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| Lauren Holly | ... | NCIS Director Jenny Shepard |
| David McCallum | ... | Dr. Donald Mallard |
 | Todd Allen | ... | Park Ranger James Landis |
| Brian Dietzen | ... | Jimmy Palmer |
 | Michelle Harrison | ... | Park Ranger Bobby Hendricks |
 | Chris Payne Gilbert | ... | Wesley Rowan |
 | Scott Leet | ... | Jason Edom (as Scott Anthony Leet) |
 | Alex Frost | ... | Jerry |
 | Tony Besson | ... | Petty Officer |
| Phillip Whiteman | ... | Park Ranger (uncredited) |
Season 3, Episode 18: Bait
14 March 2006A teenager at a Quantico base high school takes a classroom hostage.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Cote de Pablo | ... | Ziva David |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| Lauren Holly | ... | NCIS Director Jenny Shepard |
| David McCallum | ... | Dr. Donald Mallard |
 | Paul Schulze | ... | Marine Major Ken Meyers |
 | Michael Welch | ... | Kody Meyers |
 | Jade Carter | ... | Marine Capt. Daniel Wise |
 | Mauricio Mendoza | ... | Rico Caldas |
 | Linsey Godfrey | ... | Stephanie Phillips |
 | Charles Duckworth | ... | Joe Bennes |
 | Alexandra Krosney | ... | Nadia Harcourt |
| Stephanie Mello | ... | Cynthia Sumner |
 | Chase Kim | ... | SRT Sniper (as Charles S. Kim) |
 | Ruth Zalduondo | ... | Angela Meyers |
 | J Ferguson | ... | Bully (uncredited) |
 | Richard Kreps | ... | Military Policeman (uncredited) |
| Derek Selander | ... | Nondescript Marine (uncredited) |
Season 3, Episode 19: Iced
4 April 2006When a Marine Sergeant's body is discovered beneath the ice of a frozen pond, the N.C.I.S. team must dig deep for answers, uncovering disturbing truths about the local gang scene in the process.........
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Cote de Pablo | ... | Ziva David |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| Lauren Holly | ... | NCIS Director Jenny Shepard |
| David McCallum | ... | Dr. Donald Mallard |
| Douglas Spain | ... | Ceasar Bernal |
| Brian Dietzen | ... | Jimmy Palmer |
 | Benjamin Brown | ... | Marine Capt. Arvidas |
 | Aris Alvarado | ... | Tomas Zepeda |
 | Michael Esparza | ... | Marine Lance Corporal Jose Silva |
 | Seth Adkins | ... | Sean Hodges |
 | Austin Majors | ... | Jeremy Hodges |
 | Matt Iseman | ... | DC Metro Officer Talbot |
| Suzanne Rico | ... | Reporter |
Season 3, Episode 20: Untouchable
18 April 2006A Pentagon cryptologist is found dead from an apparent suicide while the team is in the middle of a search for a mole there. Abby finds evidence to suggest that someone was with the victim at the time of her death.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Cote de Pablo | ... | Ziva David |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| Lauren Holly | ... | NCIS Director Jenny Shepard |
| David McCallum | ... | Dr. Donald Mallard |
 | Scott Paulin | ... | Navy Capt. Kevin Dorn |
 | Mark Harelik | ... | Ron Levinson |
| Brian Dietzen | ... | Jimmy Palmer |
 | Kimberlee Peterson | ... | Navy Lt. Keira Napleton |
 | Jonathan Fraser | ... | Secret Service Officer Jack Lyon |
| Nina Foch | ... | Mrs. Victoria Mallard |
 | Adria Dawn | ... | NCIS Tech |
 | Sam Mathewes | ... | NCIS 'Probie' Agent (uncredited) |
| Steve Sparks | ... | Simon Rocca (uncredited) |
Season 3, Episode 21: Bloodbath
25 April 2006Abby becomes the target of a stalker, sending the team into protective overdrive as they search for the person who is out to get her.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Cote de Pablo | ... | Ziva David |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| Lauren Holly | ... | NCIS Director Jenny Shepard |
| David McCallum | ... | Dr. Donald Mallard |
| Vincent Young | ... | Mikel Mawher |
 | Mimi Kuzyk | ... | Ginger Stevenson |
 | Eddie Jemison | ... | Terry Spooner |
| Brian Dietzen | ... | Jimmy Palmer |
 | Sondra Currie | ... | Lillian Hencheck |
 | Ken Lerner | ... | Albert Hencheck |
 | Richard Keith | ... | Frank Dreyer |
| Gregory Crane | ... | ERT Member |
Season 3, Episode 22: Jeopardy
2 May 2006The NCIS team must protect Ziva when a suspect dies while being in custody, and her tactic might be the reason why the person died. The things become much more dangerous when the suspect's brother kidnaps Jenny, and demands the release of his brother in exchange for Jenny, but he has no idea that his brother is dead.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Cote de Pablo | ... | Ziva David |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| Lauren Holly | ... | NCIS Director Jenny Shepard |
| David McCallum | ... | Dr. Donald Mallard |
| Connor Trinneer | ... | James Dempsey |
| Tamara Taylor | ... | NCIS Special Agent Cassie Yates |
| Brian Dietzen | ... | Jimmy Palmer |
 | Alex Nesic | ... | Alex Rudd |
 | Tim Russ | ... | Jerry Kemper |
| Rodney Scott | ... | Brian Dempsey |
 | David Winston Barge | ... | Stanley Hobart |
| Stephanie Mello | ... | Cynthia Sumner |
Season 3, Episode 23: Hiatus: Part 1
9 May 2006Gibbs is injured in a bomb blast on a Turkish merchant ship, which puts him in a coma. He wakes, suffering from an unusual form of amnesia, where he thinks it's 1991, when he had been in a coma from another trauma, having no memory of the last fifteen years... including his team. The physical trauma to his brain does not explain his amnesia, so the team tries to uncover the possible psychological reason for his amnesia, while also trying to determine who, and why the bomb was aboard the merchant ship in the first place.
Season 3, Episode 24: Hiatus: Part 2
16 May 2006Gibbs suffers temporary memory loss, and as he tries to remember details of the accident the team tries to prevent a terrorist attack.
Season 4
Season 4, Episode 1: Shalom
19 September 2006Ziva is framed for assassinating an Iranian prisoner and two FBI agents which might result in a diplomatic conflict between the US and Israel governments. Gibbs comes to help her.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Cote de Pablo | ... | Ziva David |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| Lauren Holly | ... | NCIS Director Jenny Shepard |
| David McCallum | ... | Dr. Donald Mallard |
 | Muse Watson | ... | Mike Franks |
| Don Franklin | ... | FBI Agent Ron Sacks |
| Brian Dietzen | ... | Jimmy Palmer |
| Liza Lapira | ... | Special Agent Michelle Lee |
 | Eli Danker | ... | Mossad Officer Michael Bashan |
 | Eyal Podell | ... | Namir Eschel |
 | Saba Homayoon | ... | Faatin Amal |
 | Susan Santiago | ... | Camila Charo |
| Sheila Frazier | ... | ZNN Reporter Debra Green (as Sheila E. Frazier) |
 | Paul Lacovara | ... | Mossad Security Officer (uncredited) |
Season 4, Episode 2: Escaped
26 September 2006A bank robber escapes from prison and threatens to kill Fornell's daughter if his case won't be re-opened. Gibbs comes to help.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Cote de Pablo | ... | Ziva David |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| Lauren Holly | ... | NCIS Director Jenny Shepard |
| David McCallum | ... | Dr. Donald Mallard |
| Hal Holbrook | ... | Mickey Stokes |
 | Brandon Barash | ... | Petty Officer Derrick Paulson |
| Brian Dietzen | ... | Jimmy Palmer |
| Liza Lapira | ... | Special Agent Michelle Lee |
 | Wayne Pére | ... | Stanley Springer (as Wayne Péré) |
 | Courtney Gains | ... | Gary Silverstein |
 | Judyann Elder | ... | Marny Mathers |
| Joe Spano | ... | Agent Fornell |
 | Janiece Jary | ... | Woman |
| Harriet Margulies | ... | Older Woman |
| Stephanie Mello | ... | Cynthia Sumner |
| Mary Matilyn Mouser | ... | Kelly Gibbs (as Mary Mouser) |
 | Payton Spencer | ... | Emily Fornell |
 | Paul Clausen | ... | Young Man (uncredited) |
 | Sarah Spiegel | ... | Young Woman (uncredited) |
Season 4, Episode 3: Singled Out
3 October 2006An officer is kidnapped, Tony gets an offer he should not refuse and everybody is freaking out about Gibbs's mustache.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Cote de Pablo | ... | Ziva David |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| Lauren Holly | ... | NCIS Director Jenny Shepard |
| David McCallum | ... | Dr. Donald Mallard |
 | Seamus Dever | ... | Graham Thomas |
 | Misha Collins | ... | Justin Ferris |
 | Claire Coffee | ... | Nikki Crawshaw |
 | Daniel Hagen | ... | Calvin Hopper |
 | Mike Beaver | ... | Larry West |
 | Mieko Hillman | ... | Jennifer Murphy |
 | Avery Clyde | ... | Lt. Anne Sullivan (uncredited) |
| Bree Elise | ... | Morphed Teen (uncredited) |
Season 4, Episode 4: Faking It
10 October 2006The NCIS team is investigating a Russian arms dealer who shot an officer and Gibbs' mentor Mike Franks comes to help.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Cote de Pablo | ... | Ziva David |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| Lauren Holly | ... | NCIS Director Jenny Shepard |
| David McCallum | ... | Dr. Donald Mallard |
| Muse Watson | ... | Mike Franks |
| Geoffrey Pierson | ... | Roy Carver (as Geoff Pierson) |
 | Ravil Isyanov | ... | Nikolai Puchenko / John T. Stevens |
 | Albie Selznick | ... | Marty Allen |
 | Nolan North | ... | Officer Lou Giotti |
 | V.J. Foster | ... | Arkady Kobach |
| Armando Molina | ... | Miguel Fernandez |
Season 4, Episode 5: Dead and Unburied
17 October 2006A marine's body is found inside a new home. The body had been buried, then dug up, and put in the home. His 2 fiancée'es have been receiving letters from him for the past few months. Did one of them get wise?
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Cote de Pablo | ... | Ziva David |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| Lauren Holly | ... | NCIS Director Jenny Shepard |
| David McCallum | ... | Dr. Donald Mallard |
 | Rebecca Wisocky | ... | Jody Carvell |
 | Matt Winston | ... | Rick Carvell |
| Brian Dietzen | ... | Jimmy Palmer |
| Liza Lapira | ... | Special Agent Michelle Lee |
 | Rachel Boston | ... | Siri Albert |
 | Elisa Donovan | ... | Rebecca Kemp |
| Derek Webster | ... | Marine Capt. Stengel |
 | Tom Kiesche | ... | Bob Whitehead |
 | Kevin Cater | ... | Lance Corporal Hagen |
Season 4, Episode 6: Witch Hunt
31 October 2006On Halloween night a little girl is abducted after her father is attacked. Gibbs and his team must keep searching for the mysterious assailant.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Cote de Pablo | ... | Ziva David |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| Lauren Holly | ... | NCIS Director Jenny Shepard |
| David McCallum | ... | Dr. Donald Mallard |
 | Cheryl White | ... | Rebecca Biddle |
 | Katie A. Keane | ... | Laurie Niles (as Katie Amanda Keane) |
| Brian Dietzen | ... | Jimmy Palmer |
 | Scott Michael Campbell | ... | Robert Miller |
| Susan Diol | ... | Dr. Leslie Burke |
 | Graham Shiels | ... | Martin Jansen |
| Garikayi Mutambirwa | ... | Augie Breen |
| Dave Earnest | ... | Marine SSgt. Erik Niles |
| Mary Matilyn Mouser | ... | Kelly Gibbs (as Mary Mouser) |
 | Rob Reinis | ... | Drew Paragon (as Robert Reinis) |
 | Kali Majors | ... | Sarah Niles |
 | Emily Rose Everhard | ... | (voice) (uncredited) |
Season 4, Episode 7: Sandblast
7 November 2006A marine officer is killed by a bomb on an Army Navy Golf Course. NCIS and Army CID investigate.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Cote de Pablo | ... | Ziva David |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| Lauren Holly | ... | NCIS Director Jenny Shepard |
| David McCallum | ... | Dr. Donald Mallard |
| Susanna Thompson | ... | Army Lt. Col. Hollis Mann |
 | Scottie Thompson | ... | Jeanne Benoit |
 | Blake Bashoff | ... | Josh Cooper |
 | Enzo Cilenti | ... | Mamoun Sharif |
| David Fabrizio | ... | Marine Col. Frederick Cooper |
| Arnell Powell | ... | Abraham Moussalah |
 | Shane Wood | ... | Army EOD Team (uncredited) |
Season 4, Episode 8: Once a Hero
14 November 2006A homeless veteran falls from a hotel room into a party with a lot of high ranking officials. During the investigation they discover a body of a young girl who had apparently been assaulted by the veteran.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Cote de Pablo | ... | Ziva David |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| Lauren Holly | ... | NCIS Director Jenny Shepard |
| David McCallum | ... | Dr. Donald Mallard |
| Liza Lapira | ... | Special Agent Michelle Lee |
| Scottie Thompson | ... | Jeanne Benoit |
 | Lo Ming | ... | Davey Chen (as Ming Lo) |
 | Jonathan M. Woodward | ... | Andy Nelson (as Jonathan Woodward) |
| Brian Dietzen | ... | Jimmy Palmer |
 | Ned Schmidtke | ... | Congressman Frank Getz |
| Francesco Quinn | ... | Luis Romero |
 | Michael Gilden | ... | Marty Pearson |
| Laura P. Vega | ... | Maria |
 | Michael M. Foster | ... | Sgt. Brian T. Wright (uncredited) |
| Donald Rumsfeld | ... | Himself (archive footage) (uncredited) |
Season 4, Episode 9: Twisted Sister
21 November 2006McGee's sister shows up at his apartment, dazed, confused and covered in blood. As he tries to help her, NCIS investigates the death of a sailor on college campus. McGee is conflicted when his job as an investigator interferes with his concern for protecting his sister. The team finds out about McGee's novel.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Cote de Pablo | ... | Ziva David |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| Lauren Holly | ... | NCIS Director Jenny Shepard |
| David McCallum | ... | Dr. Donald Mallard |
| Troian Avery Bellisario | ... | Sarah McGee (as Troian Bellisario) |
| Scottie Thompson | ... | Jeanne Benoit |
 | John Cabrera | ... | Officer Samuel Tate |
 | April Matson | ... | Carolyn |
 | Katherine Bailess | ... | Madison |
 | Fidel Gomez | ... | Jordan Block |
 | Tiffany T. Tynes | ... | Cheerleader (uncredited) |
Season 4, Episode 10: Smoked
28 November 2006A body falls out of a smoke stack on a Marine base. The FBI tries to take over the investigation when the body is linked to a serial killer who had vanished. Ducky and Gibbs discuss the source of their conflict.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Cote de Pablo | ... | Ziva David |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| Lauren Holly | ... | NCIS Director Jenny Shepard |
| David McCallum | ... | Dr. Donald Mallard |
 | Mandy June Turpin | ... | Karen Bright |
| Don Franklin | ... | FBI Agent Ron Sacks |
| Brian Dietzen | ... | Jimmy Palmer |
| Scottie Thompson | ... | Jeanne Benoit |
| Liza Lapira | ... | Special Agent Michelle Lee |
| Michael Gilden | ... | Marty Pearson |
 | David Dayan Fisher | ... | Trent Kort |
| Christopher Michael Moore | ... | Miles Larson |
| Corey Stoll | ... | Martin Quinn |
 | Sandra Hess | ... | Regine Smidt |
| Joe Spano | ... | Agent Fornell |
 | Marcella Lentz-Pope | ... | Amy Bright |
 | Rico E. Anderson | ... | Rick Samson (as Rico Anderson) |
Season 4, Episode 11: Driven
12 December 2006A Navy Lieutenant dies from carbon monoxide poisoning while testing a prototype vehicle. At first it looks like suicide, but NCIS determines that it was murder.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Cote de Pablo | ... | Ziva David |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| Lauren Holly | ... | NCIS Director Jenny Shepard |
| David McCallum | ... | Dr. Donald Mallard |
| Lawrence Pressman | ... | Dr. Russell Pike |
 | Kevin Alejandro | ... | Jaime Jones |
 | Peter Giles | ... | Torsten Engler |
| Scottie Thompson | ... | Jeanne Benoit |
| Brian Dietzen | ... | Jimmy Palmer |
| David Dayan Fisher | ... | Trent Kort |
| Corey Stoll | ... | Martin Quinn |
| Sandra Hess | ... | Regine Smidt |
 | Deidrie Henry | ... | Tracy Taylor |
 | Ajay Mehta | ... | Parviz Najar |
 | Jennifer Wetzel | ... | Navy Lt. Roni Seabrook (as Jennifer Lynne Wetzel) |
Season 4, Episode 12: Suspicion
16 January 2007When a high-level Marine intelligence officer is found murdered in a small motel room, the NCIS team must find the person who murdered her. After discovering that the person was dead for already three days, and that the town authorities already "investigated" the crime, Gibbs is determined to solve the case, which could be related to a terrorist cell, and not let the town authorities get in his way.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Cote de Pablo | ... | Ziva David |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| Lauren Holly | ... | NCIS Director Jenny Shepard (credit only) |
| David McCallum | ... | Dr. Donald Mallard |
 | Mark Derwin | ... | Marine Major Bradley Raines |
 | Brian Howe | ... | Sheriff Tom Barrett |
| Scottie Thompson | ... | Jeanne Benoit |
 | Lynsey Bartilson | ... | Ruby Rae |
 | Jon Curry | ... | Deputy Tyler Barrett |
 | Cas Anvar | ... | Masoud Tariq |
| John Beasley | ... | Daryl Hardy |
 | Victor Raider-Wexler | ... | Patrick Carmody |
 | Dylan Ramsey | ... | Asad Al-Qutaji |
 | Kunal Nayyar | ... | Youssef Zidan (uncredited) |
 | Necar Zadegan | ... | Lt. Rihama Shaheen (uncredited) |
Season 4, Episode 13: Sharif Returns
23 January 2007Sharif the terrorist responsible for planting the bomb in Sandblast is back. Now he's using chemical weapons. A marine is found an apparent victim/test subject for Sharif's latest scheme.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Cote de Pablo | ... | Ziva David |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| Lauren Holly | ... | NCIS Director Jenny Shepard |
| David McCallum | ... | Dr. Donald Mallard |
| Susanna Thompson | ... | Army Lt. Col. Hollis Mann |
| Enzo Cilenti | ... | Mamoun Sharif |
| Scottie Thompson | ... | Jeanne Benoit |
 | Victor Webster | ... | Dane Hogan |
 | David Starzyk | ... | Allen J. Carter |
 | Rob Brownstein | ... | Wayne Gordon |
 | David Barrera | ... | Charlie Mills |
 | Sean Bunch | ... | Marine Major John Maguire (as Sean Thomas Bunch) |
 | Brandon Molale | ... | Army CID Special Agent Jack Reynolds |
 | Patricia Mizen | ... | Newscaster (uncredited) |
Season 4, Episode 14: Blowback
6 February 2007The secret mission that Jen's been using Tony for finally pans out. She's been pursuing her suspect for a decade. But they'll need the rest of the team, and Ducky to complete the mission.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Cote de Pablo | ... | Ziva David |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| Lauren Holly | ... | NCIS Director Jenny Shepard |
| David McCallum | ... | Dr. Donald Mallard |
 | Armand Assante | ... | La Grenouille |
 | Assaf Cohen | ... | 'Goliath' Eli Lissack |
| David Dayan Fisher | ... | Trent Kort |
| Corey Stoll | ... | Martin Quinn |
| Sandra Hess | ... | Regine Smidt |
 | Jim Parrack | ... | Nick Hurley |
| David Batiste | ... | Max Phillips |
| Stephanie Mello | ... | Cynthia Sumner |
| Fred Tate | ... | Charles Harrow |
 | Serena Scott Thomas | ... | Black Rose (uncredited) |
Season 4, Episode 15: Friends & Lovers
13 February 2007A dead marine leads the team to a Night Club, and a search for a possible serial killer. Gibbs and the Metro Police clash over jurisdiction, and protocols.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Cote de Pablo | ... | Ziva David |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| Lauren Holly | ... | NCIS Director Jenny Shepard |
| David McCallum | ... | Dr. Donald Mallard |
 | J.R. Cacia | ... | Metro Police Detective John Carson |
 | Michael Whaley | ... | Detective J.D. Morris |
| Scottie Thompson | ... | Jeanne Benoit |
| Brian Dietzen | ... | Jimmy Palmer |
| Liza Lapira | ... | Special Agent Michelle Lee |
 | Corri English | ... | Lisa Delgado |
 | Brady Smith | ... | David Cross |
 | Dean Chekvala | ... | Frank Holtz |
| Jonno Roberts | ... | Scott Pell |
 | Debbie Campbell | ... | Mary Elizabeth Donahue |
| Stephanie Mello | ... | Cynthia Sumner |
 | Daz Crawford | ... | Matt Barrows |
| Roy Hausmann | ... | Bouncer (uncredited) |
| Patrick T. Johns | ... | Petty Officer Davidson (uncredited) |
Season 4, Episode 16: Dead Man Walking
20 February 2007A navy lieutenant walks into NCIS and asks Gibbs to solve his own murder. He has been poisoned by radiation. While the team investigates, Ziva tries to figure out why the man seems so familiar to her.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Cote de Pablo | ... | Ziva David |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| Lauren Holly | ... | NCIS Director Jenny Shepard (credit only) |
| David McCallum | ... | Dr. Donald Mallard |
 | Matthew Marsden | ... | Lt. Roy Sanders |
 | Marc Vann | ... | Mark Sadowski |
 | Scott Klace | ... | Dr. Timothy Hass |
| Brian Dietzen | ... | Jimmy Palmer |
| Liza Lapira | ... | Special Agent Michelle Lee |
 | Diane Delano | ... | Dee Dee Chesney |
 | Kate Norby | ... | Diane Russio |
| Erin Torpey | ... | Holly Stegman |
Season 4, Episode 17: Skeletons
27 February 2007Some maintenance workers open a crypt, and it explodes. They find some skeletons in what was supposed to be an empty unit. Ducky finds out there multiple skeleton parts, NCIS must track down a serial killer.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Cote de Pablo | ... | Ziva David |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| Lauren Holly | ... | NCIS Director Jenny Shepard |
| David McCallum | ... | Dr. Donald Mallard |
| Susanna Thompson | ... | Army Lt. Col. Hollis Mann |
 | Corin Nemec | ... | Len Grady |
 | Alexandra Lydon | ... | Natalie Dalton |
 | Brian Markinson | ... | Marine EOD Sgt. Dan Trask |
| Brian Dietzen | ... | Jimmy Palmer |
 | Philip Anthony-Rodriguez | ... | Former Marine LCPL Lloyd Jackson |
 | Chris Tardio | ... | Kenneth Dixon |
 | Brian Cousins | ... | Jacob Torrance |
 | Erinn Bartlett | ... | Madeline Torrance |
Season 4, Episode 18: Iceman
20 March 2007Just as Ducky is about to perform an autopsy, his patient wakes up on the table. NCIS investigates Gibbs finds out an old friend has a personal stake in the matter. Tony's relationship hits a cross roads.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Cote de Pablo | ... | Ziva David |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| Lauren Holly | ... | NCIS Director Jenny Shepard (credit only) |
| David McCallum | ... | Dr. Donald Mallard |
| Muse Watson | ... | Mike Franks |
| Scottie Thompson | ... | Jeanne Benoit |
 | Navid Negahban | ... | Jalil Shaloub |
 | Stephanie Venditto | ... | Dr. Jane Leisten |
 | Steven Elder | ... | Nick Taylor |
 | Jeremy A. Roberts | ... | Marine Cpl. Liam O'Neill |
Season 4, Episode 19: Grace Period
3 April 2007Cassidy's team gets a tip on a terrorist plot, when they investigate. The agents are killed by a suicide bomber. Cassidy teams with Gibbs' team to find out who set up her agents. Ducky and Abby find evidence that seems to contradict each other. Gibbs reveals a secret to his team that affects some of his agents.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Cote de Pablo | ... | Ziva David |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| Lauren Holly | ... | NCIS Director Jenny Shepard |
| David McCallum | ... | Dr. Donald Mallard |
| Jessica Steen | ... | NCIS Special Agent Paula Cassidy |
| Scottie Thompson | ... | Jeanne Benoit |
 | Shaun Duke | ... | Azid Abu Selom |
 | Haaz Sleiman | ... | Abdul Wahid |
 | Dominic Rains | ... | Jamal Malik |
 | Sasha Roiz | ... | NCIS Agent Rick Hall |
 | Jacory Gums | ... | NCIS Agent Jim Nelson |
| Susanna Thompson | ... | Army Lt. Col. Hollis Mann |
 | Ankur Bhatt | ... | Salman Umar |
| Abdul Wahid | ... | Haaz Sleiman (uncredited) |
Season 4, Episode 20: Cover Story
10 April 2007While processing evidence from a crime scene, McGee is shocked when he discovers a link to his newest/unfinished novel. When the team finds 2 bodies, the race is on to find the killer and his link to McGee's work. McGee finally admits he based his characters off his co-workers.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Cote de Pablo | ... | Ziva David |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| Lauren Holly | ... | NCIS Director Jenny Shepard (credit only) |
| David McCallum | ... | Dr. Donald Mallard |
 | Jayne Brook | ... | Lyndi Crawshaw |
 | Steve Braun | ... | Landon Grey |
| Wilson Cruz | ... | Todd Ryder |
 | Nynno Ahli | ... | Rick Green |
| Chris Akers | ... | Johnny Smokerson |
Season 4, Episode 21: Brothers in Arms
24 April 2007Jenny finds a person who's willing to give her evidence of La Grenouille's activities. But her informant is killed. Her behavior is becoming more obsessive, while Gibbs and his team try to help her.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Cote de Pablo | ... | Ziva David |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| Lauren Holly | ... | NCIS Director Jenny Shepard |
| David McCallum | ... | Dr. Donald Mallard |
| Scottie Thompson | ... | Jeanne Benoit |
| David Dayan Fisher | ... | Trent Kort |
| Sara Botsford | ... | Dr. Helen Berkley |
 | J.C. MacKenzie | ... | Mitchell Reese |
 | Matt Gallini | ... | Andre Jones (as Mo Gallini) |
 | Peter Birkenhead | ... | Elroy Webster |
| Joe Spano | ... | Agent Fornell |
| Patrick Robert Smith | ... | Tim Gerber |
Season 4, Episode 22: In the Dark
1 May 2007A blind photographer takes a picture of a dead sailor. Gibbs and his team must find clues from his other photographs, and from other leads provided by the photographer.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Cote de Pablo | ... | Ziva David |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| Lauren Holly | ... | NCIS Director Jenny Shepard (credit only) |
| David McCallum | ... | Dr. Donald Mallard |
 | John Billingsley | ... | Jackson Scott |
| Scottie Thompson | ... | Jeanne Benoit |
| Brian Dietzen | ... | Jimmy Palmer |
| Terry Bozeman | ... | Navy Cmdr. Doug Jakobsen |
 | Katie Lowes | ... | Bryn Landers |
| Susanna Thompson | ... | Army Lt. Col. Hollis Mann |
 | Roger Lim | ... | David Wong (uncredited) |
Season 4, Episode 23: Trojan Horse
8 May 2007When Director Shepherd goes out of country, Gibbs steps in as acting Director. That doesn't preclude him from heading an investigation into the death of a person who was on his way to NCIS.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Cote de Pablo | ... | Ziva David |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| Lauren Holly | ... | NCIS Director Jenny Shepard |
| David McCallum | ... | Dr. Donald Mallard |
| Armand Assante | ... | La Grenouille |
 | Michael Patrick McGill | ... | Joe Kelly |
| Scottie Thompson | ... | Jeanne Benoit |
| David Dayan Fisher | ... | Trent Kort |
 | Brian George | ... | Dr. Ameen Temani |
 | Marcy Harriell | ... | Nurse Carly Marcano |
| Stephanie Mello | ... | Cynthia Sumner |
| Sandra Hess | ... | Regine Smidt |
 | Vladimir Skomarovsky | ... | Colonel-General Dimitri Borov |
| Sima Kostov | ... | Darya Borov |
 | Gary Morgan | ... | Mario Vincetti |
| Michelle Wolff | ... | Marine Sergeant Maria Sanchez |
 | Celestin Cornielle | ... | Marine Corporal Keener |
 | Corie Vickers | ... | NCIS Special Agent Lynn Davis |
 | Aleksandra Kaniak | ... | Russian Nurse |
Season 4, Episode 24: Angel of Death
22 May 2007Director Shepherd returns and finds evidence that someone from her past may still be alive. NCIS must undergo polygraph tests, ordered by homeland security. While Gibbs investigates who ordered the tests, Tony and Jeanne face a crisis together.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Cote de Pablo | ... | Ziva David |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| Lauren Holly | ... | NCIS Director Jenny Shepard |
| David McCallum | ... | Dr. Donald Mallard |
| Armand Assante | ... | La Grenouille |
| Scottie Thompson | ... | Jeanne Benoit |
 | Alan Smyth | ... | Nick Kerry |
 | Mike Erwin | ... | Devon Watkins |
 | Shelly Cole | ... | Bernadette Watkins |
| Brian Dietzen | ... | Jimmy Palmer |
| Liza Lapira | ... | Special Agent Michelle Lee |
| David Dayan Fisher | ... | Trent Kort |
| Marcy Harriell | ... | Nurse Carly Marcano |
| Sandra Thigpen | ... | Nurse Annie Hayes |
| Stephanie Mello | ... | Cynthia Sumner |
 | Roxana Brusso | ... | Noemi Cruz |
 | Dayo Ade | ... | ER Orderly |
| Joe Spano | ... | Agent Fornell |
| Payton Spencer | ... | Emily Fornell |
 | Sky Soleil | ... | Bill |
 | Samantha Bailey | ... | Little Angel |
 | Craig Nigh | ... | Melvin |
 | Webster Williams | ... | Colonel Jasper Shepard |
| Heather Scobie | ... | Gibbs' Ex Wife (uncredited) |
Season 5
Season 5, Episode 1: Bury Your Dead
25 September 2007DiNozzo meets with La Granoulle, and contacts Shephard with a prearranged signal thinking his cover's been compromised. Shephard finally reveals Tony's undercover assignment. Tony tells Jeanne what he really does for a living.
Season 5, Episode 2: Family
2 October 2007A Petty officer narrowly avoids an accident, and is subsequently murdered. As the team investigates, they discover the body of a female who had recently given birth. The search is on for the new born child. Tony has difficulty focusing due to his recent break up.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Cote de Pablo | ... | Ziva David |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| Lauren Holly | ... | NCIS Director Jenny Shepard (credit only) |
| David McCallum | ... | Dr. Donald Mallard |
 | Nick Searcy | ... | Joseph Barnes |
 | Margaret Easley | ... | Sara Nelson |
 | Rick Otto | ... | Adrian Nelson |
| Owen Beckman | ... | Nicholas Barnes |
 | Schuyler Yancey | ... | P.O. Christopher Munoz |
| Scottie Thompson | ... | Jeanne Benoit (archive footage) (uncredited) |
Season 5, Episode 3: The Ex-File
9 October 2007A marine is murdered in his own home on an Army Base. Army CID heads the investigation, which means Gibbs has to work under his current love interest, Lt Colonel Mann. During the investigation, they find that one of Gibbs's ex-wives is a material witness.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Cote de Pablo | ... | Ziva David |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| Lauren Holly | ... | NCIS Director Jenny Shepard |
| David McCallum | ... | Dr. Donald Mallard |
 | Kathleen York | ... | Stephanie Flynn |
 | John Mallory Asher | ... | Fred Rinnert (as John Asher) |
| Lilli Birdsell | ... | Jill Reynolds |
 | Myk Watford | ... | Army Major Eric Sweigart |
 | Robin Dunne | ... | Army Lt. Joseph Marsden |
| Susanna Thompson | ... | Army Lt. Col. Hollis Mann |
 | Brenna Radding | ... | Kelly Gibbs (uncredited) |
Season 5, Episode 4: Identity Crisis
16 October 2007As Ducky performs an autopsy for a class, they find evidence of foul play. Gibbs and company soon discover he was a career criminal with Federal ties.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Cote de Pablo | ... | Ziva David |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| Lauren Holly | ... | NCIS Director Jenny Shepard |
| David McCallum | ... | Dr. Donald Mallard |
 | Dorian Brown | ... | Special Agent Courtney Krieger |
| Brian Dietzen | ... | Jimmy Palmer |
| Torri Higginson | ... | Dr. Jordan Hampton |
| Nikita Ager | ... | Shannon O'Hara |
 | Joe Egender | ... | Robert Graves |
| Joe Spano | ... | Agent Fornell |
 | Emerson Brooks | ... | Navy Lt. Carl Greer |
Season 5, Episode 5: Leap of Faith
23 October 2007Just as Gibbs talks a suicidal sailor out of jumping off a building, the jumper is shot. Now NCIS must find the shooter.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Cote de Pablo | ... | Ziva David |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| Lauren Holly | ... | NCIS Director Jenny Shepard |
| David McCallum | ... | Dr. Donald Mallard |
| Titus Welliver | ... | Navy Capt. Roger Walsh |
 | Robin Thomas | ... | Dr. Neil Fleming |
| Brian Dietzen | ... | Jimmy Palmer |
| Susan Kelechi Watson | ... | NCIS Intel Analyst Nikki Jardine |
 | Alaina Huffman | ... | Dana Arnett |
 | Adam Huss | ... | Lt Michael Arnett |
| John Vickery | ... | Interpol Inspector Hugh Benson |
 | Mark Matkevich | ... | Jake |
 | Deanna Russo | ... | Ashley |
| Edward Conna | ... | Metro Police Srgt. Frank Thompson (as Eddie Conna) |
 | Kimberly Atkinson | ... | NCIS Special Agent Roberta Wells |
Season 5, Episode 6: Chimera
30 October 2007Gibb's team is dropped by helicopter on the USNS Chimera, a top-secret 'non-existent' Navy research ship, where Lt. Cmdr. Satoshi Takada just died, and the rest of the crew fled. According to Duckie's first findings the death cause is a rapidly killing viral, possibly hemorrhagic disease, probably contagious by air: they must put themselves in quarantine with bleak survival perspectives, fighting panic among 'biohazard' signs and hard to break security... and then find they may not be alone after all. Commander Skinner, the ship's superior, is most protective of its secrets, even at the expense of extreme health risks, so the NCIS director engages a long, yet urgent battle with him for literally vital information, which ultimately reveals unexpected other dangers for the team...
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Cote de Pablo | ... | Ziva David |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| Lauren Holly | ... | NCIS Director Jenny Shepard |
| David McCallum | ... | Dr. Donald Mallard |
 | Bill Heck | ... | Cory Mitas |
 | James O'Shea | ... | Navy Lt. Sean Ferris |
 | Graham McTavish | ... | Aleksei |
 | Rick Kelly | ... | Navy Capt. |
 | Steven Culp | ... | Commander William Skinner |
 | Christian Svensson | ... | Pirate #1 |
 | Jordan Marder | ... | Pirate #2 |
 | Craig Gellis | ... | Civilian Crewman #1 |
 | Walter Wong | ... | Civilian Crewman #2 |
 | Roshawn Franklin | ... | Crew Chief Rogers |
 | Eiji Inoue | ... | Navy Lt. Cmdr. Satoshi Takada |
| Leor Aigen | ... | Russian Pirate (uncredited) |
Season 5, Episode 7: Requiem
6 November 2007Shortly after Gibbs confronts Kelly's childhood friend her ex-boyfriend, a Marine recently returned from Iraq, who was stalking her, she is kidnapped and they find her ex, tortured/murdered. Gibbs races to find her and the killer.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Cote de Pablo | ... | Ziva David |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| Lauren Holly | ... | NCIS Director Jenny Shepard |
| David McCallum | ... | Dr. Donald Mallard |
| Anne-Marie Johnson | ... | Marine Col. Stacey Radcliffe |
 | Cameron Goodman | ... | Maddie Tylor |
 | Mark Totty | ... | Army Major Max Bourdais, Ret. |
 | Stelio Savante | ... | Danny Coyle |
| Nick Spano | ... | Marine Sgt. Rudi Haas |
 | Darby Stanchfield | ... | Shannon Gibbs |
| Brenna Radding | ... | Kelly Gibbs |
| Michael A. Shepperd | ... | Mailman |
| Roshawn Franklin | ... | Crew Chief Rogers |
Season 5, Episode 8: Designated Target
13 November 2007Rear Admiral Kenneth Kirkland and his cab driver Atif Nukunda are shot in the cab by masked men in the park. There's no motive to kill the admiral, but the driver was smeared with finger print lotion and a tooth was drawn: for certain identification: the target was Atif, an illegal Burundese immigrant, cabbie and jazz musician. Waverly University professor African studies Delphin Abaka explains Atif used a pseudonym, but ignores his real name. Atif's recently arrived widow- isn't, it's another body, her husband Thomas Zuri is a political refugee under terrorist threat, who left the State Department's protection for information program five years ago. There are more similar attacks on cabs, with a common link...
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Cote de Pablo | ... | Ziva David |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| Lauren Holly | ... | NCIS Director Jenny Shepard |
| David McCallum | ... | Dr. Donald Mallard |
| Basil Wallace | ... | Delphin Abaka |
 | Jonathan Adams | ... | Thomas Zuri |
 | Anthony Starke | ... | Derrick Choyce |
 | Stephen Lee | ... | Chuck Bayliss |
 | Xolile Tshabalala | ... | Sayda Zuri |
 | Demetrius Grosse | ... | Atif Nukunda |
 | Matt Riedy | ... | Navy Rear Adm. Kenneth Kirkland |
| Dierdre Holder | ... | Woman |
Season 5, Episode 9: Lost and Found
20 November 2007McGee takes his scout troop to NCIS, one of his scouts appears in the Missing Persons Database. The team must find his father to determine who has custody of the child.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Cote de Pablo | ... | Ziva David |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| Lauren Holly | ... | NCIS Director Jenny Shepard |
| David McCallum | ... | Dr. Donald Mallard |
 | Dominic Scott Kay | ... | Carson Taylor / Matthews |
| Brian Dietzen | ... | Jimmy Palmer |
 | JR Bourne | ... | Metro Detective Marshall Collins |
| Chris William Martin | ... | Brian Matthews / Taylor |
 | Karis Campbell | ... | Navy Lt. Elaine Taylor |
 | Candice Coke | ... | Det. Danielle Hamilton |
 | Jeff Marlow | ... | Survivalist Trainee #1 |
 | David Raibon | ... | Survivalist Trainee #2 |
Season 5, Episode 10: Corporal Punishment
27 November 2007A patient breaks out of a Navy hospital. It turns out it is a Marine, recently returned from deployment in Iraq, suffering from Post Traumatic Stress Syndrome. However, there is more to this Marine as it seems that he has taken Steroids to help him get into the Corps, and this has turned him into a super soldier.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Cote de Pablo | ... | Ziva David |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| Lauren Holly | ... | NCIS Director Jenny Shepard |
| David McCallum | ... | Dr. Donald Mallard |
 | José Zúñiga | ... | Navy Capt. Dr. Adrian De La Casa |
 | Paul Telfer | ... | Marine Corporal Damon Werth |
| Amy Carlson | ... | Karen Sutherland |
 | Patrick Fabian | ... | Ray Vincent |
 | Marcuis Harris | ... | Chris Jenkins (as Marcuis W. Harris) |
| John Siciliano | ... | Marine PFC Nathan Stone |
 | Anthony Jennings | ... | Amputee veteran |
Season 5, Episode 11: Tribes
15 January 2008Sunni Muslim Marine Lance Corporal Abdul Mohammed Bakr, on leave from Iraq with a few fights with Islam-bashing bigots on his record, is found shot dead in an alley, two blocks from the mosque where his father Khalid Mohammed Bakr is the well-integrated imam. Ducky chooses to honor the imam's religious plea by refusing to perform an autopsy but is ordered by the director, despite horrible Bosnian mass grave memories, then thinks up an unorthodox alternative method, which reveals Abdul was hit by a needle poisoned with rare octopus venom... Abby finds traces of explosives on Abdul and of contact with Al Qaeda centers on Abdul's computer, including its mysterious German recruiter Hans Staiger. An attempt to bug the mosque reveals it's already bugged by the FBI, but Special Agent Brent Langer refuses to give any details. Gibbs sees a link between all three recently deceased Muslim Marines, only...
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Cote de Pablo | ... | Ziva David |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| Lauren Holly | ... | NCIS Director Jenny Shepard |
| David McCallum | ... | Dr. Donald Mallard |
 | Shaun Toub | ... | Khalid Mohammed Bakr |
 | Jonathan LaPaglia | ... | FBI Special Agent Brent Langer |
| Brian Dietzen | ... | Jimmy Palmer |
| James Parks | ... | Ryan Sikes |
 | David Jones | ... | Marine Capt. Jim Mills (as David Haydn-Jones) |
 | Jennifer Hetrick | ... | Dr. Donna Dunlap |
 | Fred Toma | ... | Sunni Man |
 | Walid Amini | ... | Marine Lance Corp. Abdul Bakr |
 | Maria Zambrana | ... | Stevedore (uncredited) |
Season 5, Episode 12: Stakeout
8 April 2008The team gets a tip that a new prototype defense system has been stolen. After locating it, they stakeout a nearby location to catch the culprit. But the equipment is once again stolen. With Sec Nav holding Gibbs personally responsible for the loss, the team races to find the equipment. Meanwhile some are worried about Ducky's health, when Ducky asks requests tests on a blood sample.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Cote de Pablo | ... | Ziva David |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| Lauren Holly | ... | NCIS Director Jenny Shepard |
| David McCallum | ... | Dr. Donald Mallard |
 | Gretchen Egolf | ... | Det. Andrea Sparr |
 | Reggie Lee | ... | Jonathan Chow |
| Brian Dietzen | ... | Jimmy Palmer |
| Susan Kelechi Watson | ... | NCIS Intel Analyst Nikki Jardine |
 | Ned Vaughn | ... | Captain Dean Pullman |
 | Kevin Rankin | ... | Dennis Moran |
 | Cyd Strittmatter | ... | Joanne Wright |
 | Abigail Mavity | ... | Jordyn Wright |
| Adria Dawn | ... | Sandra Frasier |
 | Amy Lyndon | ... | Goldilocks |
| Philip Lenkowsky | ... | Squeegee Man |
 | Jerry Kernion | ... | Scott Matthew Rowe |
Season 5, Episode 13: Dog Tags
15 April 2008Abby goes out on a limb in an attempt to save the life of a dog accused of a fatal mauling.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Cote de Pablo | ... | Ziva David |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| Lauren Holly | ... | NCIS Director Jenny Shepard |
| David McCallum | ... | Dr. Donald Mallard |
 | Roger R. Cross | ... | Lt. Cmdr. David Warfield (as Roger Cross) |
 | Rachel Kimsey | ... | Petty Officer Erica Perelli |
| Brian Dietzen | ... | Jimmy Palmer |
 | Jorge Pallo | ... | Lt. Matthew Sanchez (as Jorge-Luis Pallo) |
 | Brian Gross | ... | Petty Officer Colin Dixon |
 | Matt Corboy | ... | Petty Officer Lance Tolliver |
 | Derrick McMillon | ... | Lt. Scott Bowen |
 | Tripp Pickell | ... | Petty Officer Pete Bidwell |
 | Brian David Jones | ... | Uniformed Guard (as Brian Jones) |
 | James Ryen | ... | Seaman |
| Rowdy | ... | Jethro |
| Sean Weber | ... | Dog Trainer |
| Jackie Martin | ... | Dog Trainer (as Jackie Kaptan) |
Season 5, Episode 14: Internal Affairs
22 April 2008The FBI puts the NCIS team under investigation for the murder of a notorious arms dealer.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Cote de Pablo | ... | Ziva David |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| Lauren Holly | ... | NCIS Director Jenny Shepard |
| David McCallum | ... | Dr. Donald Mallard |
| Rocky Carroll | ... | Leon Vance |
| Scottie Thompson | ... | Jeanne Benoit |
| David Dayan Fisher | ... | Trent Kort |
| Joe Spano | ... | Agent Fornell |
 | Rob Arbogast | ... | FBI Special Agent Wentworth (as Robert Arbogast) |
| Armand Assante | ... | René 'La Grenouille' Benoit (archive footage) |
 | Marvin D. Bryson | ... | Iraqi Villager (uncredited) |
| Alan Smyth | ... | Nick Kerry (uncredited) |
Season 5, Episode 15: In the Zone
29 April 2008Two members of NCIS are sent to Iraq to investigate a mortar attack classified as a murder.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Cote de Pablo | ... | Ziva David |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| Lauren Holly | ... | NCIS Director Jenny Shepard (credit only) |
| David McCallum | ... | Dr. Donald Mallard |
| Rocky Carroll | ... | Leon Vance |
 | Josh Stamberg | ... | Marine Major Ike Varnai |
| Susan Kelechi Watson | ... | NCIS Intel Analyst Nikki Jardine |
 | Rick Hoffman | ... | Kelvin Ridgeway |
 | Patrick Fischler | ... | George Stenner |
 | Jennifer O'Dell | ... | Dina Rankin |
 | Matt McTighe | ... | Allan Hayes |
 | Brooklyn McLinn | ... | Marine Sgt. Jim Gilroy |
 | Anne Bedian | ... | Hamida |
| Tony Daly | ... | Marine Capt. John Rankin |
 | Elie Khoury | ... | Jameel |
 | Sammy Sheik | ... | Iraqi Militia Guard at Road Block |
| Wolf Amer | ... | Iraqi Militia Guard at Shed |
| Ektimal Shbib | ... | Iraqi Woman |
 | Samantha Klein | ... | Nurse |
 | Aleene Khoury | ... | Tabina |
 | Alex Parlar | ... | Iraqi Militia |
 | Hash Patel | ... | Iraqi Street Vendor |
Season 5, Episode 16: Recoil
6 May 2008While on her undercover assignment, Ziva stumbles into dangerous territory when the serial killer she has been following grows suspicious of her.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Cote de Pablo | ... | Ziva David |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| Lauren Holly | ... | NCIS Director Jenny Shepard (credit only) |
| David McCallum | ... | Dr. Donald Mallard |
 | Nick Chinlund | ... | Det. Steve Rosetti |
 | Steve Kazee | ... | Michael Locke |
| Brian Dietzen | ... | Jimmy Palmer |
 | Michael Hagerty | ... | Andrew 'Andy' Hoffman |
 | Scott Holroyd | ... | Navy PO Kevin Massey |
 | Ella Thomas | ... | Heidi |
| Mia Lee | ... | Newscaster |
Season 5, Episode 17: About Face
13 May 2008Jimmy Palmer is targeted by a murderer only he can recognize.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Cote de Pablo | ... | Ziva David |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| Lauren Holly | ... | NCIS Director Jenny Shepard (credit only) |
| David McCallum | ... | Dr. Donald Mallard |
| Rocky Carroll | ... | Leon Vance |
| Brian Dietzen | ... | Jimmy Palmer |
 | Frank John Hughes | ... | Enis Watley |
 | Christopher Darga | ... | Skip Harris |
 | Tyler Jacob Moore | ... | Richie Rose |
 | Adam O'Byrne | ... | Mike Norman |
| Scott Checansky | ... | Milos Suskavcevic |
 | Stephen Saux | ... | Patrick Turner |
 | James Logan | ... | Tesla |
Season 5, Episode 18: Judgment Day
20 May 2008Director Shepherd attends a funeral of a retired NCIS Agent, and notices someone suspicious. She gives Tony and Ziva time off and calls in Mike Franks for help. She knows someone is coming after her, and knows Gibbs will be next.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Cote de Pablo | ... | Ziva David |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| Lauren Holly | ... | NCIS Director Jenny Shepard |
| David McCallum | ... | Dr. Donald Mallard |
| Muse Watson | ... | Mike Franks |
 | Betsy Rue | ... | Sasha Gordon |
| Brian Dietzen | ... | Jimmy Palmer |
 | Oleg Taktarov | ... | Viggo Drantyev |
 | Jeff Witzke | ... | Attendant |
 | Terrence Hardy Jr. | ... | George (as Terrence Hardy) |
 | Wyatt Smith | ... | Frankie |
 | Reginald James | ... | LAPD Det. Monroe |
| Marc Vahanian | ... | William Decker |
| Carlos Vera | ... | Shooter |
 | Bryan Friday | ... | Russian Shooter |
| Sheila Frazier | ... | ZNN Reporter Debra Green (uncredited) |
Season 5, Episode 19: Judgment Day: Part 2
20 May 2008The action continues as NCIS has to deal with the death of one of their own. It's all connected to an operation Gibbs ran several years ago. Major changes for NCIS when the dust settles.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Cote de Pablo | ... | Ziva David |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| Lauren Holly | ... | NCIS Director Jenny Shepard (credit only) |
| David McCallum | ... | Dr. Donald Mallard |
| Rocky Carroll | ... | Leon Vance |
| Muse Watson | ... | Mike Franks |
| Brian Dietzen | ... | Jimmy Palmer |
| Oleg Taktarov | ... | Viggo Drantyev |
 | Kathleen Gati | ... | Natasha Lenkov |
| Sheila Frazier | ... | ZNN Reporter Debra Green (as Sheila E. Frazier) |
 | Mike Muscat | ... | File Clerk |
| Carlos Vera | ... | Shooter |
| Bryan Friday | ... | Russian Shooter |
Season 6
Season 6, Episode 1: Last Man Standing
23 September 2008The murder of a Petty Officer is linked to another death and the Director's decision to break up Gibbs's team. Gibbs and Director work together to unravel the mystery.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Cote de Pablo | ... | Ziva David |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| Rocky Carroll | ... | Leon Vance |
| David McCallum | ... | Dr. Donald Mallard |
| Brian Dietzen | ... | Jimmy Palmer |
| Liza Lapira | ... | Special Agent Michelle Lee |
| Jonathan LaPaglia | ... | NCIS Special Agent Brent Langer |
 | Jonathan Mangum | ... | NCIS Special Agent Daniel T. Keating |
 | Jenny O'Hara | ... | Alice Brodie |
 | Eric Jungmann | ... | Andy Pringle |
| Michael Nouri | ... | Eli David |
 | Merik Tadros | ... | Mossad Officer Michael Rivkin |
 | Austin Basis | ... | Dallas |
 | Jill Czarnowski | ... | Girl Geek |
 | Bradford Anderson | ... | Second Geek |
 | Jerry Shea | ... | Third Geek |
 | Natalie Denise Sperl | ... | Milaana Shishani |
| Thomas Owen | ... | Brian Duane Roberts |
 | Andrew Hwang | ... | Chin |
Season 6, Episode 2: Agent Afloat
30 September 2008Tony investigates a sailor who may have jumped overboard. He asks Gibbs to inform the widow. When they find she was murdered, the entire team will be needed to determine what really happened.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Cote de Pablo | ... | Ziva David |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| Rocky Carroll | ... | Leon Vance |
| David McCallum | ... | Dr. Donald Mallard |
 | Chris Mulkey | ... | Navy Captain Richard Owens |
 | Eric Nenninger | ... | Navy Corpsman Taylor Henley |
 | Anthony Wong | ... | Lieutenant Commander Russell Nguyen (as Anthony Brandon Wong) |
| Rene L. Moreno | ... | Hector Cruz (as René L. Moreno) |
 | James Martinez | ... | Navy Lieutenant Eduardo Almeida |
| Marc Jablon | ... | Navy Lieutenant Jonah Kaplan |
 | William Marquez | ... | Doctor Javier Delgado |
 | Kate Lacey | ... | Navy Ensign Christina Solomon |
| Austin Priester | ... | Navy Lieutenant Bryce Armstrong |
 | Roberto 'Sanz' Sanchez | ... | José (as Roberto Sanchez) |
| Julie Dickens | ... | Console Operator |
 | Ward Roberts | ... | Pilot |
 | Ariel Mirabal-Ramos | ... | Ensign |
 | Shannah Barrett | ... | Lindy Evans |
Season 6, Episode 3: Capitol Offense
7 October 2008When a Naval Commander is murdered, an old friend contacts Gibbs. His friend is now a Senator. He believes he's being framed because of his connection with the Commander.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Cote de Pablo | ... | Ziva David |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| Rocky Carroll | ... | Leon Vance |
| David McCallum | ... | Dr. Donald Mallard |
 | Tim DeKay | ... | Senator Patrick Kiley |
 | Susan Floyd | ... | Lynn Tripp Kiley |
 | Marcus Chait | ... | Cole Erickson |
| William Bumiller | ... | Admiral Charles Graves |
 | Bill Sage | ... | Reed Talbot |
 | Sara Sanderson | ... | Tiffany |
| Sheila Frazier | ... | ZNN Reporter Debra Green (as Sheila E. Frazier) |
| Jeffrey G. Barnett | ... | David (as Jeff Barnett) |
 | Debra Arnott | ... | Lt. Comm. Carrie McLellan (uncredited) |
Season 6, Episode 4: Heartland
14 October 2008One marine is murdered, and another is critically injured outside a bar. They find the injured marine was the target of the attack. The investigation takes the team to Gibbs's home town.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Cote de Pablo | ... | Ziva David |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| Rocky Carroll | ... | Leon Vance (credit only) |
| David McCallum | ... | Dr. Donald Mallard |
| Ralph Waite | ... | Jackson 'Jack' Gibbs |
| Richard Lineback | ... | Chuck Winslow |
| Casey Sander | ... | Ed Gantry |
 | Christian Campbell | ... | Nick Kingston |
 | Dendrie Taylor | ... | Janet LaCombe |
 | Kayla Mae Maloney | ... | Emily Kingston |
| Geno Monteiro | ... | Sergeant Seth Welch |
 | Aviva | ... | Shannon |
 | Erik Eidem | ... | Marine Corporal Ethan Lacombe |
 | Sean Harmon | ... | Young Leroy Jethro Gibbs |
 | Brandon Hirsch | ... | Marine Corporal Kelvin Taylor |
 | Clint Carmichael | ... | Young Jackson Gibbs |
| Marcus Christian | ... | Young Chuck Winslow |
| Tim Barraco | ... | Coal Miner |
 | Thomas Blake Jr. | ... | Young Ed Gantry (as Thomas Blake) |
| Griffin Churchill | ... | Chris Kingston |
Season 6, Episode 5: Nine Lives
21 October 2008A marine is found tortured in his garage. The investigation leads to an FBI witness who is about to testify against a reputed mobster.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Cote de Pablo | ... | Ziva David |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| Rocky Carroll | ... | Leon Vance (credit only) |
| David McCallum | ... | Dr. Donald Mallard |
| Brian Dietzen | ... | Jimmy Palmer |
 | Ray Abruzzo | ... | Rick Azarri |
 | Jon Huertas | ... | Sgt. Jack Kale |
 | Mercedes Renard | ... | Elizabeth Adler |
 | Mark Allan Stewart | ... | Stefano DelMar |
| Joe Spano | ... | Agent Fornell |
| Gina St. John | ... | ZNN Reporter Cindy Ames |
 | Matthew Mahaney | ... | FBI Agent Bruce Rivers |
 | Lauren Rose Lewis | ... | FBI Assistant |
 | Charlene Geisler | ... | Young Rose (uncredited) |
| Naama Kates | ... | Rose Woodhouse (uncredited) |
Season 6, Episode 6: Murder 2.0
28 October 2008A body is found in the water system on a Marine Base is discovered. Ducky finds a note stuffed inside the victims mouth which leads to a website which shows how the first victim was killed. The team races to find the culprit because they know there will be more victims.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Cote de Pablo | ... | Ziva David |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| Rocky Carroll | ... | Leon Vance |
| David McCallum | ... | Dr. Donald Mallard |
| Brian Dietzen | ... | Jimmy Palmer |
 | Max Gail | ... | Sam Loomis |
 | Patrick J. Adams | ... | Tommy Doyle |
| Naama Kates | ... | Rose Woodhouse |
 | Kristen Bush | ... | Marine Sergeant Alice Hardy |
 | Tim Rettley | ... | Corporal Jack Burell |
 | Brian Groh | ... | Billy Cole |
 | Mike Kersey | ... | Janitor Harry Cooper |
| Charles Noland | ... | Bob Simms |
| Kent Shocknek | ... | Guy Ross |
Season 6, Episode 7: Collateral Damage
11 November 2008A bank at Quantico is robbed. As the team investigates they find that money may not have been the main objective. They must determine what the robbers were really after. Gibbs is asked to evaluate a new agent by the Director.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Cote de Pablo | ... | Ziva David |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| Rocky Carroll | ... | Leon Vance |
| David McCallum | ... | Dr. Donald Mallard |
 | Rey Valentin | ... | Dwayne Wilson |
| Liza Lapira | ... | Special Agent Michelle Lee |
 | Eric Martsolf | ... | Paul Harris |
 | Lenny Schmidt | ... | Eddie Banasek |
| Peggy Stewart | ... | Elderly Lady |
| Anthony Montgomery | ... | Marine Corporal George Linden |
| Jonathan LaPaglia | ... | NCIS Special Agent Brent Langer (archive footage) |
 | Billy Finnigan | ... | Joey Vittorio |
 | Michael Swan | ... | Ray Vittorio |
 | Louis Iacoviello | ... | Curtis Rayner / James Meyers |
| Helena Barrett | ... | Attractive Recruit |
 | Julian Berlin | ... | Didi |
 | Tanner Blaze | ... | Tommy Paige |
 | Chelsey Crisp | ... | Grace Penland |
 | Peter Gannon | ... | Bartender |
| Richard Kreps | ... | Agent |
 | Melonie Mack | ... | Jenny Page |
Season 6, Episode 8: Cloak
18 November 2008Gibbs's team is ordered to break into a secure facility. But it's a decoy to catch a mole in NCIS. The team is shocked by all the developments, and they're not prepared for the final twist.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Cote de Pablo | ... | Ziva David |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| Rocky Carroll | ... | Leon Vance |
| David McCallum | ... | Dr. Donald Mallard |
| Brian Dietzen | ... | Jimmy Palmer |
| Liza Lapira | ... | Special Agent Michelle Lee |
 | Rich McDonald | ... | Navy Lieutenant Robert Deckard |
 | Jude Ciccolella | ... | Secretary of the Navy Phillip Davenport |
| Julian Berlin | ... | Didi |
Season 6, Episode 9: Dagger
25 November 2008NCIS has found the mole within their ranks, now they must work with the mole to find the one who has blackmailed their co-worker into treason.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Cote de Pablo | ... | Ziva David |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| Rocky Carroll | ... | Leon Vance |
| David McCallum | ... | Dr. Donald Mallard |
| Liza Lapira | ... | Special Agent Michelle Lee |
 | David Eigenberg | ... | Ted Bankston |
 | Tiffany Espensen | ... | Amanda Lee |
 | Katherine Herzer | ... | Small Girl (as Kathrine Herzer) |
 | Troy Brenna | ... | Kidnapper |
| Jude Ciccolella | ... | Secretary of Navy Phillip Davenport (uncredited) |
| Allan Graf | ... | Bus Driver (uncredited) |
Season 6, Episode 10: Road Kill
2 December 2008A petty officer is killed in an apparent road rage incident. As the team, investigates they find he was involved in an underground fight club. They must find out if his involvement led to his death.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Cote de Pablo | ... | Ziva David |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| Rocky Carroll | ... | Leon Vance (credit only) |
| David McCallum | ... | Dr. Donald Mallard |
 | Tracy Scoggins | ... | Tabitha Summers |
 | Antonio Sabato Jr. | ... | Dale Kapp |
 | Brian Letscher | ... | Sam Bennett |
 | Kai Lennox | ... | Adam Parker |
 | Andrew Rothenberg | ... | Bruce Solomon |
| John Henry Canavan | ... | Jake Munro |
 | Brian R. Norris | ... | Lucas (as Brian Norris) |
 | Michelle Mulitz | ... | Carrie |
 | Christopher McDaniel | ... | Petty Officer Greg Collins |
| Brie Mattson | ... | Popular Girl |
Season 6, Episode 11: Silent Night
16 December 2008Just 2 days before Christmas, a home invasion robbery leaves is linked to an old murder case. The suspect was identified as a petty officer who had died. NCIS tries to sort out what happened in time for the holiday.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Cote de Pablo | ... | Ziva David |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| Rocky Carroll | ... | Leon Vance |
| David McCallum | ... | Dr. Donald Mallard |
 | Peter Coyote | ... | Ned Quinn |
| Kay Lenz | ... | Connie Quinn Wheeler |
 | Ryan Bittle | ... | Metro Detective Justin Kemp |
 | Carla Gallo | ... | Melissa Wheeler Fox |
 | Eric Stonestreet | ... | Harvey Ames |
 | Charles Carroll | ... | Dr. Pryor |
| Wesley Jonathan | ... | Greg |
| Bill Stevenson | ... | Hector |
| Brian Dietzen | ... | Jimmy Palmer (uncredited) |
| Ralph Waite | ... | Jackson 'Jack' Gibbs (voice) (uncredited) |
Season 6, Episode 12: Caged
6 January 2009The questioning of an inmate of a Maryland womens' prison turns into a hostage situation when a riot ensues, making McGee the hostage negotiator.
| Mark Harmon | ... | Special Agent Jethro Gibbs |
| Michael Weatherly | ... | Special Agent Anthony DiNozzo |
| Cote de Pablo | ... | Ziva David |
| Pauley Perrette | ... | Abby Sciuto |
| Sean Murray | ... | Special Agent Timothy McGee |
| Rocky Carroll | ... | Leon Vance (credit only) |
| David McCallum | ... | Dr. Donald Mallard |
 | Robert Wisdom | ... | Warden Gene Halsey |
| Martha Hackett | ... | Celia Roberts |
 | Stephanie Niznik | ... | Inmate Sharon Bellows |
| Michael Hyatt | ... | Judy Williams |
 | Janina Gavankar | ... | Angela Lopez |
 | Lisa Rieffel | ... | Brenda Carter |
 | Channon Roe | ... | Greg Lambro |
 | Rebekah Brandes | ... | Zoe Bellows |
 | Kyle Searles | ... | Aaron |
 | Tonya Cornelisse | ... | Kayla Vacari |
| Jamie Renée Smith | ... | Rhiannon |
 | Isaiah Mustafa | ... | Oliver Newcomb |
| Joy Christie Di Cresce | ... | Female Inmate (uncredited) |
| Jon Huertas | ... | Sergeant Jack Kale (uncredited) |