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)
