Benjamin Stoloff Director Bela Lugosi Degar Actor Sally Blane Mary Rinehart Actor Wallace Ford Tom Hartley Actor Bryant Washburn John Rinehart Actor Tully Marshall Richard Rinehart Actor Gertrude Michaels Sarah Rinehart Actor George Meeker Prof. Arthur Hornsby Actor Matt McHugh Detective Bailey Actor Beatrice Van Screenwriter William Jacobs Screenwriter Joseph A. Valentine Cinematographer Arthur Hilton Film Editing