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