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