Year: 1970
Genre: Horror, Thriller, Mystery
Studio: Pan Latina Films, Mercury Films, Películas Ibarra y Cía.
Director: Mario Bava
Cast: Stephen Forsyth, Dagmar Lassander, Laura Betti, Jesús Puente, Femi Benussi, Antonia Mas
Crew: Mario Bava (Director), Mario Bava (Screenplay), Mario Bava (Director of Photography), Manuel Caño (Producer), Soledad López (Editor), José María Tresserra (Costume Design)