How many movies have Fernando Sancho and Manuel Martínez collaborated on?

They have worked on 4 movies together! Their first movie together was The Guerrilla (1973) while their highest rated movie together was A la Legión le gustan las mujeres… y a las mujeres, les gusta la Legión (1976). They have not worked together since Doña Perfecta (1977). They are most known for their drama films together.