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