Warren William
饰 Philo Vance
Margaret Lindsay
饰 Bernice Stamm
Eugene Pallette
饰 Sgt. Ernest Heath
Helen Lowell
饰 Mother Stamm
Robert McWade
饰 District Attorney Markham
Robert Barrat
饰 Rudolph Stamm
Dorothy Tree
饰 Ruby Steele
George E. Stone
饰 Ken Tatum
Etienne Girardot
饰 Dr. Doremus - Coroner
Robert Warwick
饰 Dr. Halliday
William B. Davidson
饰 Greeff
Arthur Aylesworth
饰 Trainor - Stamm's Butler
查尔斯·卡希尔·威尔逊
饰 Det. Hennessey
Cliff Saum
饰 Det. Burke (uncredited)
Milton Kibbee
饰 Service Station Attendant (uncredited)
Wilfred Lucas
饰 Police Sergeant (uncredited)
Eric Wilton
饰 Currey - Vance's Butler (uncredited)
Bruce Mitchell
饰 Commander (uncredited)
