The Black Abbot
Edgar Wallace - Der schwarze Abt (original)
Starring Joachim Fuchsberger, Grit Boettcher, Dieter Borsche, Alice Treff, Charles Regnier, Eva Ingeborg Scholz, Eddi Arent, Friedrich Schoenfelder, Klaus Kinski, Werner Peters
It's a drama and horror movie, and has a rating of 5.8 out of 10 from Imdb which is fairly okay for this kind of movie.
Watch it here
Not found streaming from Mexico.