Released:
1971-08-02

Overview:
A masked killer stalks an institution for mentally disturbed rich women.

Director:
Fernando Di Leo

Runtime:
1h 37min

Genre:
Horror, Mystery, Thriller

• Cast:
• 
  Klaus Kinski
  as
  Dr. Francis Clay
• 
  Margaret Lee
  as
  Cheryl Hume
• 
  Rosalba Neri
  as
  Anne Palmieri
• 
  Jane Garret
  as
  Mara
• 
  John Karlsen
  as
  Professor Osterman