How many movies have Enrique Llanes and Guillermo Calderón collaborated on?

They have worked on 6 movies together! Their first movie together was The Aztec Mummy (1957) 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.