演员
Oscar Apfel
Chief of Detectives John F. O'Hara
Tom Brower
Detective Schultz (uncredited)
Pat O'Malley
Detective Brady (uncredited)
Irving Pichel
Police Radio Announcer (voice) (uncredited)
Gertrude Hoffmann
Mattie (as Gertrude W. Hoffman)
Jane Darwell
Mrs. Marble
Max Wagner
Policeman in Car (uncredited)
Dudley Digges
Horace Merrick
Frank Reicher
Joe Valerie
斯坦利·布莱斯通
Police Car Driver (uncredited)
Ed Brady
Paddywagon Cop (uncredited)
Stuart Erwin
Dwight Wilson
Dorothy Wilson
Patricia Merrick, also known as Mlle. Mystera
Warner Oland
Dr. Paul Cornelius