Directed by
| Bernard B. Ray | ... | (as B.B. Ray) |
Writing Credits
| John T. Neville | ... | (story and screenplay) (as Jack Neville) |
Cast (in credits order) complete, awaiting verification
| Reginald Denny | ... | Prof. David Graham | |
| Claudia Dell | ... | Diana Sullivan | |
| Lloyd Hughes | ... | Lieut. Dan Burke | |
| Jim Farley | ... | Chief James A. Sullivan (as James Farley) | |
| Barbara Bedford | ... | Kathleen Ryan | |
| Mary Foy | ... | Mary Ryan | |
| John Elliott | ... | Capt. Bill Withers | |
 |
Francis Sayles | ... | Police Surgeon Kelly |
| Al St. John | ... | Radio Officer Jones | |
| Henry Roquemore | ... | Dr. McNeil | |
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Lee Prather | ... | Capt. Perkins |
| Robert Walker | ... | Capt. Jim Phillips | |
| Jack Kenney | ... | Inspector Silverstein (as Jack Kenny) | |
| Rest of cast listed alphabetically: | |||
|
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Eddie Davis | ... | Conman in Showup Room (uncredited) |
|
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Arthur Thalasso | ... | Police Officer (uncredited) |
| Harley Wood | ... | Mary Withers (uncredited) | |
Produced by
| Bernard B. Ray | ... | producer (uncredited) |
| Harry S. Webb | ... | associate producer |
Cinematography by
| Pliny Goodfriend | ||
Editing by
| Arthur Hilton | ||
Art Direction by
| Ira Webb | ||
Production Management
| Moe Sackin | ... | production manager |
Second Unit Director or Assistant Director
| S. Gordon | ... | assistant director (uncredited) |
| William L. Nolte | ... | assistant director (uncredited) |
Sound Department
| J.S. Westmoreland | ... | sound |
Additional Crew
| Bernard B. Ray | ... | presenter |
