How many movies have Robbie Tan and Romnick Sarmenta collaborated on?

They have worked on 9 movies together! Their first movie together was Huwag Mong Buhayin ang Bangkay (1987) while their highest rated movie together was Stella Magtanggol (1992). They have not worked together since Kung Tayo'y Magkakalayo (1993). They are most known for their drama films together.