1981 Madhouse A woman is pursued by her murderous, psychopathic twin sister in the days leading up to their birthday. Credits Director Ovidio G. Assonitis Producers Peter Shepherd , Ovidio G. Assonitis Writers Stephen Blakely , Ovidio G. Assonitis , Roberto Gandus , Peter Shepherd Cinematographer Roberto D'Ettorre Piazzoli Editor Angelo Curi Costume Design Serena Severini Composer Riz Ortolani Cast Patricia Mickey , Allison Biggers , Michael MacRae , Dennis Robertson , Morgan Hart , Edith Ivey , Richard Baker , Jerry Fujikawa , Doug Dillingham , Don Devendorf Studio Overseas FilmGroup Genre Horror External IMDb Amazon Posters 5
