Cast
Warren William
Philo Vance
Helen Lowell
Mother Stamm
George E. Stone
Ken Tatum
George Meeker
Monty Montague
Arthur Aylesworth
Trainor - Stamm's Butler
Wilfred Lucas
Police Sergeant (uncredited)
Robert McWade
District Attorney Markham
Robert Barrat
Rudolph Stamm
Etienne Girardot
Dr. Doremus - Coroner
Charles Cahill Wilson
Det. Hennessey
Milton Kibbee
Service Station Attendant (uncredited)
Eugene Pallette
Sgt. Ernest Heath
Dorothy Tree
Ruby Steele
William B. Davidson
Greeff
Margaret Lindsay
Bernice Stamm
Lyle Talbot
Gale Leland
Robert Warwick
Dr. Halliday
Sam McDaniel
Steam Room Attendant (uncredited)