Philo Vance
William Powell
Harry Gray
William 'Stage' Boyd
Detective Burke (uncredited)
Charles McMurphy
Captain Hagedorn (uncredited)
Guy Oliver
Detective Welch (uncredited)
Dick Rush
Sam (uncredited)
Otto Yamaoka
Sgt. Edward Heath
Eugene Pallette
Adolph Mohler
Paul Lukas
Fanny Del Roy
Natalie Moorhead
Anthony Benson
Richard Tucker
Mrs. Paula Banning
May Beatty
DA John F.X. Markham
E.H. Calvert
Albert Brecker (uncredited)
Mischa Auer
Print Dealer (uncredited)
Perry Ivins
Director
Frank Tuttle
Costume Design
Travis Banton
Presenter
Adolph Zukor
Jesse L. Lasky
Novel
S.S. Van Dine
Director of Photography
Archie Stout
Editor
Doris Drought
Still Photographer
Eugene Richee
Screenplay
Bartlett Cormack
Casting
Fred A. Datig
Sound
Harold M. McNiff
Original Music Composer
Charles Midgely
Casting Assistant
Dick Stockton
General Manager
B.P. Schulberg