Directed by
| Irving Pichel | ||
Writing Credits
| Edgar Wallace | ... | (from the story by) |
| Garrett Fort | ... | (screen play) and |
| Marion Dix | ... | (screenplay) and |
| Ralph Block | ... | (screenplay) |
Cast (in credits order) verified as complete
| Stuart Erwin | ... | Dwight Wilson | |
| Dorothy Wilson | ... | Patricia | |
| Warner Oland | ... | Dr. Paul Cornelius | |
| Dudley Digges | ... | Horace Merrick | |
| Gertrude Hoffman | ... | Mattie (as Gertrude W. Hoffman) | |
| Oscar Apfel | ... | Chief of Detectives John F. O'Hara | |
| Frank Reicher | ... | Joe Valerie | |
| Jane Darwell | ... | Mrs. Marble | |
| Rest of cast listed alphabetically: | |||
| Stanley Blystone | ... | Police Car Driver (uncredited) | |
| Ed Brady | ... | Paddywagon Cop (uncredited) | |
| Tom Brower | ... | Detective Schultz (uncredited) | |
| Pat O'Malley | ... | Detective Brady (uncredited) | |
 |
Ted Oliver | ... | Police Desk Sergeant Hamilton (uncredited) |
| Irving Pichel | ... | Police Radio Announcer (voice) (uncredited) | |
| Max Wagner | ... | Policeman in Car (uncredited) | |
Produced by
| Shirley C. Burden | ... | associate producer (as Shirley Burden) |
| Merian C. Cooper | ... | executive producer |
Cinematography by
| Lucien N. Andriot | ... | (as Lucien Andriot) (photographed by) |
Film Editing by
| William Hamilton | ... | (edited by) |
Second Unit Director or Assistant Director
| Walter Mayo | ... | assistant director (uncredited) |
Art Department
| Carroll Clark | ... | settings |
| Van Nest Polglase | ... | settings |
Sound Department
| Philip Faulkner Jr. | ... | recordist (as Philip J. Faulkner Jr.) |
Camera and Electrical Department
| Joseph F. Biroc | ... | second camera operator (uncredited) |
| Charles Bohny | ... | assistant camera (uncredited) |
Music Department
| Max Steiner | ... | musical director / composer: stock music (uncredited) |
