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)
Director
Writer
Screenplay
Screenplay
Adaptation
Director of Photography
Casting Director
Original Music Composer
Editor
Art Direction
Costume Design
Unit Manager
Assistant Director
Second Assistant Director
Props
Sound
Grip
Still Photographer
Electrician
Assistant Camera
Casting Assistant
Casting Associate
Conductor
Orchestrator
