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