Nightmare Castle, also known as (Italian: Amanti d’Oltretomba) is a 1965 Italian horror film directed by Mario Caiano. The film stars Paul Muller, Helga Liné and Barbara Steele in a dual role. <br /><br />Mario Caiano shot the film in Rome and declared it his tribute to the Gothic genre and to actress Barbara Steele. Among reviews of the film, critics and historians note Steele's dual performance. <br /><br />Plot: An evil count tortures and murders his unfaithful wife and her lover, then removes their hearts from their bodies. Discovering that his wife has drawn up a new will giving her fortune to her institutionalized sister, the count marries his sister-in-law. The new wife experiences nightmares and hauntings. The ghosts of the slain return to exact their bloody revenge, until their hearts are destroyed. <br /><br />Cast: <br />Barbara Steele – Muriel/Jenny Arrowsmith <br />Paul Muller – Stephen Arrowsmith <br />Helga Liné – Solange <br />Marino Masé – Dr. Derek Joyce <br />Rik Battaglia - David <br />Giuseppe Addobbati - Jonathan (as John McDouglas) <br /><br />Soundtrack <br />Amanti D'Oltretomba <br />Composed by Ennio Morricone