A masked killer stalks an institution for mentally disturbed rich women.
as Dr. Francis Clay
as Cheryl Hume
as Anne Palmieri
as Mara
as Professor Osterman
as Ruth
as The Gardener (as John Ely)
as Nurse Helen
as Chaffeur
as Policeman
as Policeman
as Inspector
as Policeman
as Nurse
as Male Nurse
as Cheryl's Husband
as Patient
as Ruth's Husband
as Male Nurse
as Policeman
as Patient
as Nurse Killed with Scythe (uncredited)
