Full Credits
30 members

William Powell
Philo Vance

Mary Astor
Hilda Lake

Eugene Pallette
Detective Heath

Ralph Morgan
Raymond Wrede

Robert McWade
District Attorney Markham

Robert Barrat
Archer Coe

Frank Conroy
Brisbane Coe

Etienne Girardot
Dr. Doremus
James Lee
Liang

Paul Cavanagh
Thomas MacDonald

Arthur Hohl
Gamble the Butler

Helen Vinson
Doris Delafield

Jack La Rue
Eduardo Grassi

Harry Allen
Sandy (uncredited)

Wade Boteler
Desk Sergeant Mellish (uncredited)

Don Brodie
Police Photographer (uncredited)

James Burke
Policeman Who Lets Dog Out (uncredited)

George Chandler
Reporter at Police Station (uncredited)

Spencer Charters
Sergeant Snitkin (uncredited)

Virginia Dabney
Girl (uncredited)

Milton Kibbee
Reporter (uncredited)

Henry O'Neill
Dubois (uncredited)

Paul Panzer
Baggage Clerk (uncredited)
Cliff Saum
Policeman on Night Patrol (uncredited)
Skippy
Terrier at Dog Show (uncredited)
Arthur Thalasso
Detective (uncredited)
Monte Vandergrift
Detective (uncredited)

Leo White
Chicago Hotel Clerk (uncredited)

Renee Whitney
Telephone Operator (uncredited)

Charles C. Wilson
Detective Hennessy (uncredited)
24 members
Michael Curtiz
Director
William C. McGann
Assistant Director
Kurt Rayfeld
Second Assistant Director
S.S. Van Dine
Writer
Robert N. Lee
Screenplay
Peter Milne
Screenplay
Robert Presnell Sr.
Adaptation
Maxwell Arnow
Casting Director
Al Alleborn
Unit Manager
William Maybery
Casting Assistant
Russel Trost
Casting Associate
William Rees
Director of Photography
Owen Crompton
Grip
John Ellis
Still Photographer
William P. Whitley
Assistant Camera
Bernhard Kaun
Original Music Composer
Charles Althouse
Sound
Leo F. Forbstein
Conductor
Ray Heindorf
Orchestrator
Jack Okey
Art Direction
Herbert Plews
Props
Orry-Kelly
Costume Design
Harold McLernon
Editor
Lawrence Kennedy
Electrician