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