Directed by
| William Marshall | ||
Writing Credits
| William Telaak | ... | (screenplay) & |
| Fred De Gorter | ... | (screenplay) and |
| Fred Gebhardt | ... | (screenplay) |
| Fred Gebhardt | ... | (original story) |
| William Marshall | ... | (additional dialogue) |
Cast (in credits order) complete, awaiting verification
| Dean Fredericks | ... | Capt. Frank Chapman | |
| Coleen Gray | ... | Liara | |
| Anthony Dexter | ... | Herron (as Tony Dexter) | |
| Francis X. Bushman | ... | Sessom | |
 |
Richard Weber | ... | Lt. Ray Makonnen |
| Al Jarvis | ... | Judge Eden | |
| Dick Haynes | ... | Col. Lansfield | |
|
|
Earl McDaniel | ... | Capt. Leonard |
|
|
Mike Marshall | ... | Lt. White (as Michael Marshall) |
|
|
John Herrin | ... | Capt. Beecher |
|
|
Mel Curtis | ... | Lt. Cutler |
|
|
Jimmy Weldon | ... | Lt. Webb |
|
|
Akemi Tani | ... | Communications Officer |
|
|
Lori Lyons | ... | Radar Officer |
| Richard Kiel | ... | The Solarite | |
|
|
Susan Cembrowska | ... | Juror |
| Marissa Mathes | ... | Juror (as Merissa Mathes) | |
|
|
Gloria Moreland | ... | Juror |
|
|
Judy Erickson | ... | Juror |
|
|
Sally Carter-Ihnat | ... | Juror (as Marya Carter) |
|
|
Allyson Ames | ... | Juror |
| Marion Thompson | ... | Juror | |
| Dolores Faith | ... | Zetha | |
| Marvin Miller | ... | Introductory Narrator (voice) | |
|
|
Leon Selznick | ... | Narrator (voice) (as Leon D. Selznick) |
| Rest of cast listed alphabetically: | |||
| Warrene Ott | ... | Ipsalata (uncredited) | |
Produced by
| Fred Gebhardt | ... | producer |
| Hugo Grimaldi | ... | assistant producer |
| Leo A. Handel | ... | executive producer |
| Robert Kinoshita | ... | associate producer |
Cinematography by
| Elwood J. Nicholson | ... | director of photography |
Production Design by
| Robert Kinoshita | ||
Set Decoration by
| Joseph Kish | ... | (uncredited) |
Makeup Department
| David Newell | ... | makeup artist (as Dave Newell) |
| Mary Westmoreland | ... | hair stylist |
Production Management
| Maurice Vaccarino | ... | production supervisor |
Second Unit Director or Assistant Director
| Lindsley Parsons Jr. | ... | second assistant director |
| Maurice Vaccarino | ... | assistant director |
Sound Department
| Walter Dick | ... | interplanetary sound effects |
| Al Overton | ... | sound mixer |
| Hayes Pagel | ... | interplanetary sound effects |
Special Effects by
| Charles Duncan | ... | special effects (as Charles R. Duncan) |
Visual Effects by
| Louis DeWitt | ... | director of photographic effects |
Camera and Electrical Department
| Ned Davenport | ... | camera operator |
Costume and Wardrobe Department
| Marla Craig | ... | costume supervisor |
| Oscar Rodriguez | ... | wardrobe |
Editorial Department
| Hugo Grimaldi | ... | supervising film editor |
| Donald Wolfe | ... | assistant film editor (as Don Wolfe) |
Music Department
| Ted Roberts | ... | music editor |
| Gordon Zahler | ... | music supervisor |
| Leith Stevens | ... | composer: stock music (uncredited) |
Script and Continuity Department
| Hazel W. Hall | ... | script supervisor (uncredited) |
Additional Crew
| Ben Bard | ... | dialogue director |
