How many movies have Antonio Díaz Conde and Beny Galán collaborated on?

They have worked on 4 movies together! Their first movie together was Los Endemoniados del Ring (1966) while their highest rated movie together was Santo vs. the Martian Invasion (1967). They have not worked together since Santo the Silver Mask vs. The Ring Villains (1968). They are most known for their action films together.