How many movies have Alfredo Salazar and Enrique Llanes collaborated on?

They have worked on 4 movies together! Their first movie together was The Aztec Mummy (1957) while their highest rated movie together was Santo and Blue Demon vs. Dr. Frankenstein (1974). They have not worked together since Santo and Blue Demon vs. Dr. Frankenstein (1974). They are most known for their horror films together.