Directed by
| Spencer Gordon Bennet | ... | (as Spencer G. Bennet) |
Writing Credits
| Orville H. Hampton | ... | (written by) |
| Irving Block | ... | (story) (uncredited) |
| Jack Rabin | ... | (story) (uncredited) |
Cast (in credits order) verified as complete
| Arthur Franz | ... | Lt. Cmdr. Richard 'Reef' Holloway | |
| Dick Foran | ... | Cmdr. Dan Wendover | |
| Brett Halsey | ... | Dr. Carl Neilson Jr. | |
| Tom Conway | ... | Sir Ian Hunt | |
| Paul Dubov | ... | Lt. David Milburn | |
| Bob Steele | ... | CPO 'Grif' Griffin | |
| Victor Varconi | ... | Dr. Clifford Kent | |
| Joi Lansing | ... | Julie | |
| Selmer Jackson | ... | Adm. Terhune | |
| Jack Mulhall | ... | Justin Murdock | |
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Jean Moorhead | ... | Helen Milburn |
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Richard Tyler | ... | Frogman Carney |
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Kenneth Becker | ... | Frogman Powell (as Ken Becker) |
| Sid Melton | ... | Yeoman Chester Tuttle | |
| Frank Watkins | ... | Watkins | |
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Pat Michaels | ... | Narrator |
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John Hilliard | ... | Saucer Voice (voice) |
| Rest of cast listed alphabetically: | |||
| Edmund Cobb | ... | Passerby (uncredited) | |
| Frank Lackteen | ... | Passerby (uncredited) | |
Produced by
| Irving Block | ... | producer associate |
| Alex Gordon | ... | producer |
| Orville H. Hampton | ... | associate producer |
| Jack Rabin | ... | producer associate |
| Henry Schrage | ... | co-producer |
Music by
| Alexander Laszlo | ||
Cinematography by
| Gilbert Warrenton | ... | director of photography |
Editing by
| William Austin | ||
Art Direction by
| Don Ament | ||
| Daniel Haller | ... | (as Dan Haller) |
Set Decoration by
| Harry Reif | ||
Makeup Department
| Emile LaVigne | ... | makeup artist (as Emile Lavigne) |
Production Management
| Edward Morey Jr. | ... | production manager |
Second Unit Director or Assistant Director
| Clark L. Paylow | ... | assistant director (as Clark Paylow) |
| Arthur M. Broidy | ... | assistant director (uncredited) |
Art Department
| Max Frankel | ... | properties |
Sound Department
| Ralph Butler | ... | sound |
| Martin Greco | ... | sound editor (as Marty Greco) |
Special Effects by
| Milton Olsen | ... | special effects (uncredited) |
Visual Effects by
| Irving Block | ... | special effects designer and creator |
| Louis DeWitt | ... | special effects designer and creator |
| Jack Rabin | ... | special effects designer and creator |
Camera and Electrical Department
| George Satterfield | ... | chief set electrician |
| Arthur Lane | ... | camera operator (uncredited) |
| Harry Lewis | ... | grip (uncredited) |
Costume and Wardrobe Department
| Norah Sharpe | ... | wardrobe |
| Roger J. Weinberg | ... | wardrobe |
Music Department
| Neil Brunnenkant | ... | music editor |
| Alexander Laszlo | ... | conductor |
Script and Continuity Department
| Judith Hart | ... | script supervisor |
Additional Crew
| Ruth Alexander | ... | assistant to producer |
| Jack W. Cash | ... | dialogue supervisor (as Jack Cash) / production associate (as Jack Cash) |
| Reynold Brown | ... | movie poster art (uncredited) |
