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