Cast
William Powell
Philo Vance
Paul Lukas
Adolph Mohler
E.H. Calvert
DA John F.X. Markham
Mischa Auer
Albert Brecker (uncredited)
Guy Oliver
Captain Hagedorn (uncredited)
William 'Stage' Boyd
Harry Gray
Eugene Pallette
Sgt. Edward Heath
Natalie Moorhead
Fanny Del Roy
Richard Tucker
Anthony Benson
May Beatty
Mrs. Paula Banning
Otto Yamaoka
Sam (uncredited)