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 Ada Greene
as Sergeant Ernest Heath
as District Attorney John F. X. Markham
as Dr. Arthur Von Blon
as Mrs. Tobias Greene
as Chester Greene
as Rex Greene
as Sproot
as Mrs. Gertrude Mannheim
as Hemmings
as Nurse (Uncredited)
as Medical Examiner (Uncredited)
as Lawyer Canon (Uncredited)
as Miss O'Brien (Uncredited)
as Barton (Uncredited)
as Cop in House (Uncredited)