| Person | Type | Job | Role(s) |
|---|---|---|---|
 David Newell | Crew | Costume & Make-Up | Makeup Artist |
 Fred De Gorter | Crew | Writing | Screenplay |
Fred Gebhardt | Crew | Writing | Screenplay, Original Story, Producer |
Gordon Zahler | Crew | Sound | Music Supervisor |
Leo A. Handel | Crew | Production | Executive Producer |
Louis DeWitt | Crew | Visual Effects | Visual Effects |
Mary Westmoreland | Crew | Costume & Make-Up | Hairstylist |
Robert Kinoshita | Crew | Art | Production Design, Associate Producer |
 William Marshall | Crew | Crew | Additional Dialogue, Director |
William Telaak | Crew | Writing | Screenplay |
Ted Roberts | Crew | Sound | Music Editor |
Elwood J. Nicholson | Crew | Camera | Director of Photography |
Charles Duncan | Crew | Crew | Special Effects |
Al Jarvis | Cast | Judge Eden | |
 Angelique Pettyjohn | Cast | Actress | Juror |
 Anthony Dexter | Cast | Actor | Herron |
 Coleen Gray | Cast | Actress | Liara |
 Dean Fredericks | Cast | Actor | Captain Frank Chapman |
Dick Haynes | Cast | Col. Lansfield | |
 Dolores Faith | Cast | Actress | Zetha |
 Francis X. Bushman | Cast | Actor | Sessom |
 Jimmy Weldon | Cast | Actor | Lt. Webb |
John Herrin | Cast | Actor | Captain Beecher |
Marissa Mathes | Cast | Juror | |
 Marvin Miller | Cast | Actor | Introductory Narrator (voice) |
Mel Curtis | Cast | Lt. Cutler | |
 Mike Marshall | Cast | Actor | Lt. White |
 Richard Kiel | Cast | Actor | The Solarite |
Richard Weber | Cast | Actor | Lt. Ray Makonnen |
Susan Cembrowska | Cast | Juror | |
Warrene Ott | Cast | Actress | Ipsalata |
Lori Lyons | Cast | Radar Officer | |
Akemi Tani | Cast | Actress | Communications Officer |
Earl McDaniel | Cast | Capt. Leonard | |
Sally Carter-Ihnat | Cast | Juror | |
Judy Erickson | Cast | Juror | |
Gloria Moreland | Cast | Juror | |
Marion Thompson | Cast | Juror | |
 Allyson Ames | Cast | Actress | Juror |
| Person | Type | Job | Role(s) |
