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

Director

Adaptation

Screenplay

Writer

Director of Photography

Casting Director

Art Direction

Costume Design

Sound

Grip

Editor

Still Photographer

Original Music Composer

Electrician

Assistant Director

Assistant Camera

Casting Associate

Conductor

Orchestrator

Unit Manager

Second Assistant Director

Casting Assistant

Props