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