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)

Michael Curtiz