How many movies have José W. Bustos and Patricia Ferrer collaborated on?

They have worked on 3 movies together! Their first movie together was El centauro Pancho Villa (1967) while their highest rated movie together was The Mummies of Guanajuato (1972). They have not worked together since The Mummies of Guanajuato (1972). They are most known for their action films together.