How many movies have Jose Yandoc and Renato Del Prado collaborated on?

They have worked on 4 movies together! Their first movie together was Ang Lihim ni Rosa Henson sa Buhay ni Kumander Lawin (1976) and was their highest rated movie together. They have not worked together since Pepeng Kuryente (A Man with a Thousand Volts) (1988).