Santo vs. the Strangler
Santo vs. el estrangulador (original)
Santo battles the Strangler.
Starring Santo, María Duval, Roberto Cañedo, Ofelia Montesco, Carlos López Moctezuma, Begoña Palacios, Alberto Vázquez, Eric del Castillo, Emma Arvizu, Julián de Meriche
Watch "Santo vs. the Strangler" on Amazon Prime released in 1965. It's a action & adventure and crime movie, and has a rating of 5.4 out of 10 from Imdb which is fairly okay for this kind of movie.