E Dio disse a Caino…
Starring Klaus Kinski, Peter Carsten, Marcella Michelangeli, Guido Lollobrigida, Antonio Cantafora, Giuliano Raffaelli, Luciano Pigozzi, Lucio De Santis, María Luisa Sala, Furio Meniconi
It's a horror and western movie, and has a rating of 6.7 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from Italy.