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