Calificación
Reparto

William Powell
Philo Vance

Mary Astor
Hilda Lake

Eugene Pallette
Detective Heath

Ralph Morgan
Raymond Wrede

Robert McWade
District Attorney Markham

Robert Barrat
Archer Coe

Frank Conroy
Brisbane Coe

Etienne Girardot
Dr. Doremus

James Lee
Liang

Paul Cavanagh
Thomas MacDonald

Arthur Hohl
Gamble the Butler

Helen Vinson
Doris Delafield

Jack La Rue
Eduardo Grassi

Harry Allen
Sandy (uncredited)

Wade Boteler
Desk Sergeant Mellish (uncredited)

Don Brodie
Police Photographer (uncredited)