Directed by
| Bruno VeSota | ||
Writing Credits
| Gordon Urquhart | ... | (screenplay) |
| Robert A. Heinlein | ... | (novel) (uncredited) |
Cast (in credits order) verified as complete
| Ed Nelson | ... | Dr. Paul Kettering (as Edwin Nelson) | |
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Alan Jay Factor | ... | Glenn Cameron (as Alan Frost) |
| Cornelius Keefe | ... | Senator Walter K. Powers (as Jack Hill) | |
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Joanna Lee | ... | Alice Summers |
| Jody Fair | ... | Elaine Cameron | |
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David Hughes | ... | Dr. Wyler |
| Robert Ball | ... | Dan Walker | |
| Phil Posner | ... | Sheriff (as Greigh Phillips) | |
| Orville Sherman | ... | Mayor Cameron | |
| Leonard Nimoy | ... | Professor Cole (as Leonard Nemoy) | |
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Doug Banks | ... | Doctor |
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Henry Randolph | ... | Telegrapher |
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Saul Bronson | ... | Prof. Helsingman |
| Rest of cast listed alphabetically: | |||
| Hampton Fancher | ... | Zombie (uncredited) | |
Produced by
| Stanley Bickman | ... | associate producer |
| Roger Corman | ... | executive producer (uncredited) |
| Ed Nelson | ... | producer (as Edwin Nelson) |
Music by
| Tom Jonson | ||
Cinematography by
| Lawrence Raimond | ... | director of photography (as Larry Raimond) |
Editing by
| Carlo Lodato | ||
Art Direction by
| Burt Shonberg | ||
Makeup Department
| Alan Trumble | ... | makeup artist |
Production Management
| F. Amos Powell | ... | production manager (as Amos Powell) |
Second Unit Director or Assistant Director
| Mike Murphy | ... | assistant director |
Art Department
| Tom Hughes | ... | property master |
Sound Department
| James Fullerton | ... | sound |
Camera and Electrical Department
| Gene Petersen | ... | gaffer |
Costume and Wardrobe Department
| Charles Smith | ... | wardrobe |
Additional Crew
| Robert Balser | ... | title designer |