William Powell

Character: Philo Vance

Mary Astor

Character: Hilda Lake

Eugene Pallette

Character: Detective Heath

Ralph Morgan

Character: Raymond Wrede

Robert McWade

Character: District Attorney Markham

Robert Barrat

Character: Archer Coe

Frank Conroy

Character: Brisbane Coe

Etienne Girardot

Character: Dr. Doremus

James Lee

Character: Liang

Paul Cavanagh

Character: Thomas MacDonald

Arthur Hohl

Character: Gamble the Butler

Helen Vinson

Character: Doris Delafield

Jack La Rue

Character: Eduardo Grassi

Harry Allen

Character: Sandy (uncredited)

Wade Boteler

Character: Desk Sergeant Mellish (uncredited)

Don Brodie

Character: Police Photographer (uncredited)

James Burke

Character: Policeman Who Lets Dog Out (uncredited)

George Chandler

Character: Reporter at Police Station (uncredited)

Spencer Charters

Character: Sergeant Snitkin (uncredited)

Virginia Dabney

Character: Girl (uncredited)

Milton Kibbee

Character: Reporter (uncredited)

Harry Morgan

Character: Gamble (uncredited)

Henry O'Neill

Character: Dubois (uncredited)

Paul Panzer

Character: Baggage Clerk (uncredited)

Cliff Saum

Character: Policeman on Night Patrol (uncredited)

Skippy

Character: Terrier at Dog Show (uncredited)

Arthur Thalasso

Character: Detective (uncredited)

Monte Vandergrift

Character: Detective (uncredited)

Leo White

Character: Chicago Hotel Clerk (uncredited)

Renee Whitney

Character: Telephone Operator (uncredited)

Charles C. Wilson

Character: Detective Hennessy (uncredited)