
| Dan Byrd | ... | Justin Tolchuck / ... (18 episodes, 2007-2008) |
 | Adhir Kalyan | ... | Raja / ... (18 episodes, 2007-2008) |

| Amy Pietz | ... | Franny / ... (18 episodes, 2007-2008) |
 | Lindsey Shaw | ... | Claire Tolchuck / ... (18 episodes, 2007-2008) |

| Scott Patterson | ... | Gary Tolchuck / ... (18 episodes, 2007-2008) |

| Christopher B. Duncan | ... | Mr. Matthews (12 episodes, 2007-2008) |

| Adam Rose | ... | Dooley (10 episodes, 2007-2008) |

| Kwesi Ameyaw | ... | Mr. Papazian (4 episodes, 2007-2008) |

| Jacob Blair | ... | Dan Archer (4 episodes, 2007-2008) |
 | Karissa Tynes | ... | Bryn / ... (4 episodes, 2007-2008) |

| Nolan Gerard Funk | ... | Todd Palladino (4 episodes, 2007) |

| Darien Provost | ... | Young Justin (4 episodes, 2008) |
 | Lars Anderson | ... | Silvio (3 episodes, 2007-2008) |
 | Brittney Irvin | ... | Becky (3 episodes, 2007-2008) |

| Henry Mah | ... | Mr. Lester (3 episodes, 2007-2008) |
 | Dylan Taylor | ... | Trey Tozer (3 episodes, 2007-2008) |

| April Telek | ... | Leslie Becker (3 episodes, 2007-2008) |

| Amber Borycki | ... | Jill (3 episodes, 2007) |

| Jaren Brandt Bartlett | ... | Alex (3 episodes, 2007) |

| Josh Emerson | ... | Buck / ... (3 episodes, 2007) |

| Avan Jogia | ... | Sam (3 episodes, 2007) |
 | Matthew McLellan | ... | Eddie (3 episodes, 2007) |
 | Joey Pierce | ... | Mike Palladini (3 episodes, 2007) |

| Laura Konechny | ... | Tanner (2 episodes, 2007-2008) |

| Anthony Shim | ... | Chad (2 episodes, 2007-2008) |

| Whitney Anderson | ... | Anita Richardson (2 episodes, 2007) |
 | Nathan Mitchell | | (2 episodes, 2007) |
 | Chad Krowchuk | ... | Brad (2 episodes, 2008) |

| Bill Mondy | ... | Dr. Art Feldman / ... (2 episodes, 2008) |

| Sunita Prasad | ... | Sadika Sadaqatmal (2 episodes, 2008) |
|

| Ian Crossland | ... | High School Boy #1 (unknown episodes) |
|
| David Guarascio | .... | executive producer (18 episodes, 2007-2008) |
| Michael Pendell | .... | producer (18 episodes, 2007-2008) |
| Moses Port | .... | executive producer (18 episodes, 2007-2008) |
| Richard Day | .... | co-executive producer (17 episodes, 2007-2008) |
| Tim Doyle | .... | executive producer (17 episodes, 2007-2008) |
| Michael Glouberman | .... | co-executive producer (17 episodes, 2007-2008) |
| Adam F. Goldberg | .... | consulting producer (17 episodes, 2007-2008) |
| Emily Kapnek | .... | consulting producer (17 episodes, 2007-2008) |
| Rob Ulin | .... | consulting producer (17 episodes, 2007-2008) |
| Matthew Conner | .... | associate producer (16 episodes, 2007-2008) |
| |
|
| Bill Morrill | .... | lead carpenter (17 episodes, 2007-2008) |
| Laura Schneider | .... | assistant property master / assistant property master: reshoot (17 episodes, 2007-2008) |
| Andrew Smith | .... | set dresser (17 episodes, 2007-2008) |
| Valentine Pavuls | .... | property master (16 episodes, 2007-2008) |
| Steve Scott | .... | graphic designer (16 episodes, 2007-2008) |
| Sonia Zimmerman | .... | on-set prop master (16 episodes, 2007-2008) |
| Martin P. Blaine | .... | construction foreman (12 episodes, 2007-2008) |
| David Curley | .... | construction coordinator (12 episodes, 2007-2008) |
| Cherie Kroll | .... | assistant art director (12 episodes, 2007-2008) |
| Wyatt Soutzo | .... | painter (10 episodes, 2007) |
| Norm Spence | .... | paint coordinator (5 episodes, 2007) |
| Michael Hall | .... | set dresser (4 episodes, 2007-2008) |
| Paolo G. Venturi | .... | designer (3 episodes, 2007) |
|
| Karl J. Martin | .... | set designer (unknown episodes) |
| Martin L. Mercer | .... | concept/storyboard artist (unknown episodes) |
| |
|
| Charles Hamilton | .... | sound recordist (18 episodes, 2007-2008) |
| Deron Street | .... | first assistant sound editor (18 episodes, 2007-2008) |
| Troy Porter | .... | adr mixer (17 episodes, 2007-2008) |
| Ed Carr | .... | sound re-recording mixer (12 episodes, 2007-2008) |
| Todd Grace | .... | sound re-recording mixer (12 episodes, 2007-2008) |
| Lou Thomas | .... | supervising sound editor (12 episodes, 2007-2008) |
| Lars Ekstrom | .... | sound mixer / production mixer (11 episodes, 2007-2008) |
| Michael Kreple | .... | foley mixer (9 episodes, 2007-2008) |
| Darryl Marko | .... | boom operator (9 episodes, 2007-2008) |
| Bradley Kita | .... | sound assistant (8 episodes, 2007-2008) |
| Jason Oliver | .... | sound recordist (8 episodes, 2007-2008) |
|
| Daniel Brock | .... | sound mixer: second unit / utility sound (unknown episodes) |
| Rob Cunningham | .... | boom operator (unknown episodes) |
| Luis Galdames | .... | foley editor (unknown episodes) |
| |
|
| Cameron Grierson | .... | assistant to producer / script coordinator (17 episodes, 2007-2008) |
| Robert Musnicki | .... | narrator / stand in/double (17 episodes, 2007-2008) |
| Tracy Young | .... | script supervisor (14 episodes, 2007-2008) |
| Dale Cornick | .... | first assistant accountant (13 episodes, 2007-2008) |
| Aaron Wiener | .... | assistant to producer (13 episodes, 2007-2008) |
| Cole Boughton | .... | production assistant (12 episodes, 2007-2008) |
| Christopher J. Green | .... | payroll accountant (7 episodes, 2007-2008) |
| Karen Tony | .... | production accountant (6 episodes, 2007-2008) |
| Patricia D. Williams | .... | production accountant (5 episodes, 2007) |
| Paul Becker | .... | choreographer (3 episodes, 2007-2008) |
| Trevor Broad | .... | production assistant (2 episodes, 2007-2008) |
| Mary-Ellen Dale | .... | payroll accountant (2 episodes, 2008) |
|
| Wes Dixon | .... | production assistant (unknown episodes) |
| Aaron C. Fitzgerald | .... | set production assistant (unknown episodes) |
| Kristi Frankenheimer | .... | location manager (unknown episodes) |
| |