How many movies have El Santo and Enrique Llanes acted in together?

They have worked on 5 movies together! Their first movie together was Santo in the Vengeance of the Mummy (1971) while their highest rated movie together was Santo vs. Frankenstein's Daughter (1972). They have not worked together since Santo and Blue Demon vs. Dr. Frankenstein (1974). They are most known for their horror films together.