Philo Vance investigates when a murderer preys upon members of a wealthy family on New York's Upper East Side.
as Philo Vance
as Sibella Greene
as Dr. Von Blon
as Ada Greene
as Sergeant Heath
as John F. X. Markham
as Mrs. Tobias Greene
as Chester Greene
as Rex Greene
as Sproot
as Mrs. Mannheim
as Hemming
as Nurse (uncredited)
as Medical Examiner (uncredited)
as Lawyer Canon (uncredited)
as Miss O'Brien (uncredited)
as Barton (uncredited)
as Policeman (uncredited)
