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