One on Top of the Other
Una sull'altra (original)
Italienischer Erotikthriller aus dem Jahre 1969 des Regisseurs Lucio Fulci, der später als Meister des Zombiefilms in die europäische Filmgeschichte einging.
Starring Jean Sorel, Marisa Mell, Elsa Martinelli, Alberto de Mendoza, John Ireland, Riccardo Cucciolla, Franco Balducci, Bill Vanders, Giuseppe Addobbati, Félix Dafauce
It's a mystery and thriller movie, and has a rating of 6.6 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from Germany.