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