How many movies have Roberto 'El Flaco' Guzmán and Virginia Campos collaborated on?

They have worked on 4 movies together! Their first movie together was Nos reimos de la migra (Destrampados y mojados) (1976) while their highest rated movie together was Como México no hay dos (1981). They have not worked together since I Am The Law (1991). They are most known for their drama films together.