Directed by
| Sam Newfield | ... | (directed by) |
Writing Credits
| Larry Williams | ... | (original story) (as Lawrence Williams) |
| Pierre Gendron | ... | (screenplay by) & |
| Martin Mooney | ... | (screenplay by) |
| Nell O'Day | ... | (co-writer) (unconfirmed) |
Cast (in credits order)
| J. Carrol Naish | ... | Dr. Igor Markoff | |
| Ralph Morgan | ... | Anthony Lawrence | |
| Tala Birell | ... | Maxine | |
| Wanda McKay | ... | Patricia Lawrence | |
| Terry Frost | ... | Bob Blake | |
| Glenn Strange | ... | Giant | |
| Alexander Pollard | ... | Butler | |
| Sam Flint | ... | Dr. Adams | |
| Ace the Wonder Dog | ... | Ace | |
| Rest of cast listed alphabetically: | |||
| Ray Corrigan | ... | Gorilla (uncredited) | |
Produced by
| Sigmund Neufeld | ... | producer (produced by) |
Music by
| Albert Glasser | ... | (music score) |
Cinematography by
| Robert E. Cline | ... | (uncredited) |
Editing by
| Holbrook N. Todd | ... | film editor |
Makeup Department
| Maurice Seiderman | ... | makeup artist |
Production Management
| Bert Sternbach | ... | production manager |
Second Unit Director or Assistant Director
| Melville De Lay | ... | assistant director (as Melville DeLay) |
Art Department
| Paul Palmentola | ... | set designer |
| Harry Reif | ... | set dresser (as Elias H. Reif) |
Sound Department
| Ferrol Redd | ... | sound engineer (as Ferol Redd) |
Costume and Wardrobe Department
| Eugene Joseff | ... | costume jeweler (uncredited) / costume jeweller (uncredited) |
Music Department
| David Chudnow | ... | musical supervisor |