How many movies have Andrés Velasco and Ricardo Sáenz de Heredia collaborated on?

They have worked on 3 movies together! Their first movie together was ¡Se armó el belén! (1969) while their highest rated movie together was Los gallos de la madrugada (1971). They have not worked together since Los gallos de la madrugada (1971). They are most known for their comedy films together.