How many movies have Romy G. Yalung and Ruel Vernal collaborated on?

They have worked on 4 movies together! Their first movie together was Kapag Buhay Ang Inutang (1983) while their highest rated movie together was Sigaw ng Katarungan (1984). They have not worked together since Jones Bridge Massacre (1989). They are most known for their action films together.