How many movies have Roy Alvarez and William Yusi collaborated on?

They have worked on 4 movies together! Their first movie together was Boy Praning: Utak Pulbura (1992) while their highest rated movie together was Sgt. Bobby Aguilar: You Only Have One Life! (1993). They have not worked together since Pugoy – Hostage: Davao (1993). They are most known for their action films together.