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