All Cast
William Powell
Philo Vance
William 'Stage' Boyd
Harry Gray
Eugene Pallette
Sgt. Edward Heath
Paul Lukas
Adolph Mohler
Natalie Moorhead
Fanny Del Roy
Richard Tucker
Anthony Benson
May Beatty
Mrs. Paula Banning
E.H. Calvert
DA John F.X. Markham
Mischa Auer
Albert Brecker (uncredited)
Perry Ivins
Print Dealer (uncredited)
Charles McMurphy
Detective Burke (uncredited)
Guy Oliver
Captain Hagedorn (uncredited)
Dick Rush
Detective Welch (uncredited)