Love Letters of a Portuguese Nun "Satanic lust behind cloister walls..."
Released in: 1977
Director: Jesús Franco
16-year-old Maria is forced into Serra D'Aires convent, secretly run by Satanists.

Susan Hemingway
Maria Rosalea Coutinho

Ana Zanatti
Mother Alma, the Grand Priestess

William Berger
Father Vicente

Herbert Fux
Satan

Vítor Mendes
António Fernando Queiroz de Melo

Anton Diffring
Old Priest