Cast
Paul Panzer
Baggage Clerk (uncredited)
William Powell
Philo Vance
Mary Astor
Hilda Lake
Robert McWade
District Attorney Markham
Jack La Rue
Eduardo Grassi
Ralph Morgan
Raymond Wrede
Paul Cavanagh
Thomas MacDonald
Henry O'Neill
Dubois (uncredited)
Virginia Dabney
Girl (uncredited)
Renee Whitney
Telephone Operator (uncredited)
Helen Vinson
Doris Delafield
George Chandler
Reporter at Police Station (uncredited)
Spencer Charters
Sergeant Snitkin (uncredited)
Charles C. Wilson
Detective Hennessy (uncredited)
Eugene Pallette
Detective Heath
Arthur Hohl
Gamble the Butler
Don Brodie
Police Photographer (uncredited)
James Burke
Policeman Who Lets Dog Out (uncredited)
Frank Conroy
Brisbane Coe
Etienne Girardot
Dr. Doremus
Harry Allen
Sandy (uncredited)
Wade Boteler
Desk Sergeant Mellish (uncredited)
Robert Barrat
Archer Coe
Milton Kibbee
Reporter (uncredited)
Leo White
Chicago Hotel Clerk (uncredited)