William Powell
饰 Philo Vance
Eugene Pallette
饰 Detective Heath
Ralph Morgan
饰 Raymond Wrede
Robert McWade
饰 District Attorney Markham
Robert Barrat
饰 Archer Coe
Frank Conroy
饰 Brisbane Coe
Etienne Girardot
饰 Dr. Doremus
Paul Cavanagh
饰 Thomas MacDonald
Arthur Hohl
饰 Gamble the Butler
Helen Vinson
饰 Doris Delafield
Jack La Rue
饰 Eduardo Grassi
Harry Allen
饰 Sandy (uncredited)
韦德·博特勒
饰 Desk Sergeant Mellish (uncredited)
Don Brodie
饰 Police Photographer (uncredited)
James Burke
饰 Policeman Who Lets Dog Out (uncredited)
George Chandler
饰 Reporter at Police Station (uncredited)
Spencer Charters
饰 Sergeant Snitkin (uncredited)
Virginia Dabney
饰 Girl (uncredited)
