Directed by
| Christy Cabanne | ||
Writing Credits
| Walter Abbott | ... | (original story) (as W.J. Abbott) |
| Walter Abbott | ... | (screenplay) (as W.J. Abbott) |
Cast (in credits order) complete, awaiting verification
| Bela Lugosi | ... | Prof. Leonide | |
| George Zucco | ... | Dr. Joseph Van Ee | |
| Nat Pendleton | ... | Bill Raymond | |
| Molly Lamont | ... | Laura Van Ee / Laurette La Valle | |
| Joyce Compton | ... | Jane Cornell | |
| Gladys Blake | ... | Lilybeth | |
| Roland Varno | ... | Ward Van Ee | |
| Douglas Fowley | ... | Terry Lee | |
| Stanley Andrews | ... | Pathologist | |
| Angelo Rossitto | ... | Indigo | |
| Lee Bennett | ... | Rene the Killer | |
| Stanley Price | ... | Autopsy Surgeon | |
| Rest of cast listed alphabetically: | |||
| Dorothy Christy | ... | Mrs. Williams (uncredited) | |
Produced by
| William B. David | ... | producer |
Music by
| Carl Hoefle | ||
| James Mayfield | ... | (uncredited) |
Cinematography by
| Marcel Le Picard | ... | (as Marcel LePicard) |
Editing by
| George McGuire | ||
Art Direction by
| Harry Reif | ||
Makeup Department
| Evelyn Bennett | ... | hairdresser |
| Roland Ray | ... | makeup artist |
Production Management
| Walt Maddox | ... | production manager (as Walt Mattox) |
Second Unit Director or Assistant Director
| Robert Farfan | ... | assistant director (as Robt. Farfan) |
Art Department
| Frank Dexter | ... | set director (as Frank Dexter Sr.) |
Sound Department
| Glen Glenn | ... | sound engineer |
Costume and Wardrobe Department
| Albert Deano | ... | wardrobe |
