Crypt of the Vampire is an Italian/Spanish film directed by Camillo Mastrocinque, credited as Thomas Miller, and starring Christopher Lee. It first went to theaters May 27, 1964.
Description[]
Count Ludwig Karnstein sends for a doctor to help his sick daughter Laura. Her nurse believes she is possessed by the spirit of a dead ancestor; Carmilla. A young woman becomes intrigued by the mysterious deaths surrounding Laura after a carriage accident outside the castle forces her to stay. They become close friends until Laura becomes convinced the spirit of Carmilla is forcing her to kill.