
| George Reeves | ... | Clark Kent / ... (104 episodes, 1951-1958) |
 | Bill Kennedy | ... | Announcer / ... (104 episodes, 1951-1958) |
 | Jack Larson | ... | Jimmy Olsen / ... (102 episodes, 1952-1958) |
 | John Hamilton | ... | Perry White (102 episodes, 1952-1958) |
 | Robert Shayne | ... | Inspector Henderson / ... (90 episodes, 1952-1958) |
 | Noel Neill | ... | Lois Lane (78 episodes, 1953-1958) |
 | Phyllis Coates | ... | Lois Lane (26 episodes, 1951-1953) |
 | Stephen Carr | ... | Eddie / ... (16 episodes, 1951-1953) |
 | Ben Welden | ... | 'Leftover' Louie Lyman / ... (8 episodes, 1952-1958) |
 | Herb Vigran | ... | Arnold Woodman / ... (6 episodes, 1952-1958) |
 | Phil Tead | ... | Prof. Pepperwinkle / ... (6 episodes, 1955-1958) |
 | Billy Nelson | ... | Knuckles Nelson / ... (5 episodes, 1953-1958) |
 | Richard Reeves | ... | Babe / ... (5 episodes, 1952-1956) |
 | Sid Tomack | ... | Curtis / ... (5 episodes, 1952-1957) |
 | Jack Littlefield | ... | Boots / ... (5 episodes, 1956-1958) |
 | Sam Balter | ... | Radio Announcer / ... (5 episodes, 1953) |
 | Tristram Coffin | ... | Al Roselli / ... (4 episodes, 1952-1957) |
 | John Eldredge | ... | Burt Burnside / ... (4 episodes, 1953-1958) |
 | Pierre Watkin | ... | Admiral / ... (4 episodes, 1952-1958) |
 | Leonard Mudie | ... | Brockhurst the Magician / ... (4 episodes, 1953-1956) |
 | John Phillips | ... | Matt / ... (4 episodes, 1951-1956) |
 | Rick Vallin | ... | Pallini the Human Fly / ... (4 episodes, 1955-1957) |
 | Sterling Holloway | ... | Prof. Oscar Quinn / ... (3 episodes, 1953-1955) |
 | Allene Roberts | ... | Alice / ... (3 episodes, 1952-1954) |
 | Dan Seymour | ... | Ace / ... (3 episodes, 1952-1953) |
 | John Kellogg | ... | Luke Maynard / ... (3 episodes, 1952-1953) |
 | Walter Reed | ... | Bill Corrigan / ... (3 episodes, 1951-1958) |
 | Jack Narz | ... | Narrator (3 episodes, 1951-1952) |
 | Richard Benedict | ... | Baby Face Stevens / ... (3 episodes, 1952-1957) |
 | Peter Brocco | ... | Crackers / ... (3 episodes, 1952-1956) |
 | Selmer Jackson | ... | Colonel Jake Redding / ... (3 episodes, 1952-1956) |
 | Aline Towne | ... | Lara / ... (3 episodes, 1952-1953) |
 | Frank Richards | ... | Hank / ... (3 episodes, 1952-1957) |

| John Doucette | ... | Foster / ... (3 episodes, 1952-1955) |
 | Philip Van Zandt | ... | Miral / ... (3 episodes, 1953-1955) |
 | John Harmon | ... | Clicker / ... (3 episodes, 1953-1955) |
 | Patrick Aherne | ... | Capt. Scud / ... (3 episodes, 1953-1956) |
 | Dick Elliott | ... | Judge / ... (3 episodes, 1952-1958) |
 | Dabbs Greer | ... | Dan Dobey / ... (3 episodes, 1952-1958) |
 | Peter Mamakos | ... | Gregor / ... (3 episodes, 1953-1957) |
 | Lane Bradford | ... | Al / ... (3 episodes, 1953-1956) |
 | Keith Richards | ... | A Henchman / ... (3 episodes, 1954-1958) |
 | Stanley Andrews | ... | The Sheriff / ... (3 episodes, 1951-1953) |
 | William Challee | ... | Clippy Jones / ... (3 episodes, 1952-1957) |
 | Paul Burke | ... | Ace / ... (3 episodes, 1953-1956) |
 | George Chandler | ... | Bates / ... (3 episodes, 1953-1956) |
 | Jan Arvan | ... | Max / ... (3 episodes, 1954-1958) |
 | Ted Hecht | ... | Abdul Ben Bay / ... (3 episodes, 1954-1957) |
 | Joey Ray | ... | Newsman / ... (3 episodes, 1952-1953) |
 | Jim Hayward | ... | Airport Baggage Man / ... (3 episodes, 1953-1956) |
 | Lyn Thomas | ... | Ann, a phony nurse / ... (3 episodes, 1953-1956) |
 | Billy Curtis | ... | Mole-Man #1 / ... (3 episodes, 1951-1957) |
 | Raymond Hatton | ... | Craymore / ... (3 episodes, 1955-1957) |
 | Myron Healey | ... | Capt. Mud / ... (3 episodes, 1955-1956) |
 | Mauritz Hugo | ... | Luke Palmer / ... (3 episodes, 1956-1958) |
 | George Khoury | ... | Caspar / ... (3 episodes, 1956-1958) |
 | Milton Frome | ... | Faraday / ... (3 episodes, 1956-1957) |
 | Jeff Corey | ... | Luke Benson (2 episodes, 1951) |
 | J. Farrell MacDonald | ... | Pop Shannon (2 episodes, 1951) |
 | Jonathan Hale | ... | Col. Brand / ... (2 episodes, 1953) |
 | Maudie Prickett | ... | Mrs. Carmody / ... (2 episodes, 1952) |
 | Fred Sherman | ... | Dr. Oscar Jessup / ... (2 episodes, 1952) |
 | Leonard Penn | ... | Fixer / ... (2 episodes, 1952-1954) |
 | Malcolm Mealey | ... | Alvin Godfrey / ... (2 episodes, 1952) |
 | Michael Vallon | ... | Mr. Bonelli / ... (2 episodes, 1952) |
 | Paul E. Burns | ... | Lu Song / ... (2 episodes, 1953-1954) |
 | Larry J. Blake | ... | Rausch, the Henchman / ... (2 episodes, 1952-1953) |
 | Edmund Cobb | ... | Lafe Reiser / ... (2 episodes, 1952) |
 | Maurice Cass | ... | Meldini / ... (2 episodes, 1952-1953) |
 | Paul Fix | ... | Fingers / ... (2 episodes, 1953-1954) |
 | Rudolph Anders | ... | Doktor Rudolf Albrecht / ... (2 episodes, 1952-1954) |
 | Joseph Vitale | ... | Cap / ... (2 episodes, 1953-1954) |
 | James Seay | ... | Bill Hurd / ... (2 episodes, 1952-1953) |
 | Phillip Pine | ... | Dorn, Martin's associate / ... (2 episodes, 1952) |
 | Marshall Reed | ... | Inspector Hill / ... (2 episodes, 1953-1954) |
 | Alfred Linder | ... | Morrie / ... (2 episodes, 1954-1956) |
 | Jack Daly | ... | Dogcatcher / ... (2 episodes, 1952-1953) |
 | Ted Ryan | ... | Al / ... (2 episodes, 1953) |
 | Lester Dorr | ... | Bus Driver / ... (2 episodes, 1952-1953) |
 | Tony De Mario | ... | March / ... (2 episodes, 1954-1956) |
 | Martin Garralaga | ... | Chief of Police / ... (2 episodes, 1952-1955) |
 | Frank Jenks | ... | Candy Meyers / ... (2 episodes, 1952-1955) |
 | Frank J. Scannell | ... | Canfield / ... (2 episodes, 1952-1953) |
 | Damian O'Flynn | ... | Dr. Ralph Harper / ... (2 episodes, 1953-1956) |

| Leon Askin | ... | Joseph Ferdinand / ... (2 episodes, 1953-1955) |
 | Trevor Bardette | ... | Bet-a-Million Butler / ... (2 episodes, 1953-1955) |
 | Tyler MacDuff | ... | Delivery Boy / ... (2 episodes, 1954-1955) |
 | Lawrence Ryle | ... | Dr. Gregory Barnak / ... (2 episodes, 1954-1955) |
 | Elizabeth Patterson | ... | Mrs. Clara Exbrook / ... (2 episodes, 1955-1956) |
 | John Crawford | ... | Ambulance driver / ... (2 episodes, 1952-1953) |
 | Lou Krugman | ... | Conway / ... (2 episodes, 1953) |
 | Julian Upton | ... | Barney / ... (2 episodes, 1955-1956) |
 | Maurice Marsac | ... | Marcel Duval / ... (2 episodes, 1952-1956) |
 | Ed Hinton | ... | Cave Man / ... (2 episodes, 1955-1956) |
 | Paul Bryar | ... | Motel Owner / ... (2 episodes, 1952-1953) |
 | Almira Sessions | ... | Miss Bachrach / ... (2 episodes, 1952-1953) |
 | Joel Friedkin | ... | Herman, the Waiter / ... (2 episodes, 1952) |
 | Terry Frost | ... | Fake Police Officer / ... (2 episodes, 1953-1957) |
 | Ric Roman | ... | Nate / ... (2 episodes, 1953-1956) |
 | Russell Custer | ... | Police Officer / ... (2 episodes, 1953) |
 | Dale Van Sickel | ... | Baker / ... (2 episodes, 1953-1957) |
 | Ralph Sanford | ... | Buckets / ... (2 episodes, 1953-1955) |
 | Charles Williams | ... | Tim / ... (2 episodes, 1954-1956) |
 | Arthur Space | ... | Dr. Wilson / ... (2 episodes, 1954-1955) |
 | Sam Flint | ... | Doctor / ... (2 episodes, 1952-1953) |
 | Nolan Leary | ... | Jewelry Store Guard / ... (2 episodes, 1953-1956) |
 | John Baer | ... | Dr. Reed / ... (2 episodes, 1951-1952) |

| Margia Dean | ... | Agency Woman / ... (2 episodes, 1951-1952) |
 | John T. Bambury | ... | Mole-Man #2 (2 episodes, 1951) |
 | Tony Boris | ... | Mole-Man #4 (2 episodes, 1951) |
 | Hal K. Dawson | ... | Chuck Weber (2 episodes, 1951) |
 | Jerry Maren | ... | Mole-Man #3 (2 episodes, 1951) |
 | Ray Walker | ... | John Craig (2 episodes, 1951) |
 | Buddy Mason | ... | Bank Guard / ... (2 episodes, 1952-1955) |
 | Hayden Rorke | ... | Phony Armored Car Guard / ... (2 episodes, 1952-1953) |

| I. Stanford Jolley | ... | Plastic Surgeon / ... (2 episodes, 1953-1957) |
 | George Eldredge | ... | John Salem / ... (2 episodes, 1955-1958) |
 | Eddie Baker | ... | Bartender / ... (2 episodes, 1955-1956) |
 | Chester Marshall | ... | First Mate / ... (2 episodes, 1955-1956) |
 | George E. Stone | ... | Big George / ... (2 episodes, 1955-1956) |
 | John Cliff | ... | Ed Crowley / ... (2 episodes, 1956-1957) |
 | Dean Cromer | ... | Mickey / ... (2 episodes, 1956) |
 | Ray Montgomery | ... | Jeff / ... (2 episodes, 1956) |
 | Harry Arnie | ... | Blinkie / ... (2 episodes, 1957-1958) |
 | Jack Reitzen | ... | Ali Zing / ... (2 episodes, 1957-1958) |
 | Yvonne White | ... | Ethel / ... (2 episodes, 1957-1958) |
 | Everett Glass | ... | Prof. La Serne (2 episodes, 1958) |