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)
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
