Philo Vance

Hilda Lake

Detective Heath

Raymond Wrede

District Attorney Markham

Archer Coe

Brisbane Coe

Dr. Doremus

Liang

Thomas MacDonald

Gamble the Butler

Doris Delafield

Eduardo Grassi

Sandy (uncredited)

Desk Sergeant Mellish (uncredited)

Police Photographer (uncredited)

Policeman Who Lets Dog Out (uncredited)

Reporter at Police Station (uncredited)

Sergeant Snitkin (uncredited)

Girl (uncredited)

Reporter (uncredited)

Gamble (uncredited)

Dubois (uncredited)

Baggage Clerk (uncredited)

Policeman on Night Patrol (uncredited)

Terrier at Dog Show (uncredited)

Detective (uncredited)

Detective (uncredited)

Chicago Hotel Clerk (uncredited)

Telephone Operator (uncredited)

Detective Hennessy (uncredited)

Screenplay

Writer

Adaptation

Director

Screenplay

Director of Photography

Casting Director

Editor

Art Direction

Assistant Director

Sound

Original Music Composer

Casting Assistant

Costume Design

Grip

Electrician

Unit Manager

Second Assistant Director

Orchestrator

Assistant Camera

Casting Associate

Still Photographer

Props

Conductor