Law of the Pampas
Starring William Boyd, Russell Hayden, Sidney Toler, Steffi Duna, Sidney Blackmer, Pedro de Cordoba, William Duncan, Anna Demetrio, Eddie Dean, Glenn Strange
It's a action & adventure and western movie, and has a rating of 6.8 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from Brazil.