Calificación
Reparto

Warren William
Philo Vance

Margaret Lindsay
Bernice Stamm

Lyle Talbot
Gale Leland

Eugene Pallette
Sgt. Ernest Heath

Helen Lowell
Mother Stamm

Robert McWade
District Attorney Markham

Robert Barrat
Rudolph Stamm

Dorothy Tree
Ruby Steele

George E. Stone
Ken Tatum

Etienne Girardot
Dr. Doremus - Coroner

George Meeker
Monty Montague

Robert Warwick
Dr. Halliday

William B. Davidson
Greeff

Arthur Aylesworth
Trainor - Stamm's Butler

Charles C. Wilson
Det. Hennessey

Cliff Saum
Det. Burke (uncredited)