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