How many movies have Gustavo César Carrión and Raúl Serrano collaborated on?

They have worked on 7 movies together! Their first movie together was 800 Leagues Over the Amazon (1959) while their highest rated movie together was Kalimán in the Sinister World of Humanón (1976). They have not worked together since The Long Awaited Desperate Love (1976). They are most known for their drama films together.