On screen
Cast
18 credited performers
William Powell
Philo Vance
Florence Eldridge
Sibella Greene
Ullrich Haupt
Dr. Von Blon
Jean Arthur
Ada Greene
Eugene Pallette
Sergeant Heath
E.H. Calvert
John F. X. Markham
Gertrude Norman
Mrs. Tobias Greene
Artwork unavailable
Lowell Drew
Chester Greene
Morgan Farley
Rex Greene
Brandon Hurst
Sproot
Artwork unavailable
Augusta Burmeister
Mrs. Mannheim
Marcia Harris
Hemming
Artwork unavailable
Veda Buckland
Nurse (uncredited)
Artwork unavailable
Shep Camp
Medical Examiner (uncredited)
Artwork unavailable
Charles E. Evans
Lawyer Canon (uncredited)
Artwork unavailable
Helena Phillips Evans
Miss O'Brien (uncredited)
Artwork unavailable
Mildred Golden
Barton (uncredited)
Harry Strang
Policeman (uncredited)