Summary
A masked killer stalks an institution for mentally disturbed rich women.
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Cast
Klaus Kinski
Dr. Francis Clay
Rosalba Neri
Anne Palmieri
Margaret Lee
Cheryl Hume
John Karlsen
Professor Osterman
Gioia Desideri
Ruth
Monica Strebel
Nurse Helen
Fernando Cerulli
Chaffeur
Giulio Baraghini
Policeman
Ettore Geri
Inspector
Carla Mancini
Nurse
Enzo Spitaleri
Ruth's Husband
Gilberto Galimberti
Policeman