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