How many movies have Krung Srivilai and Somsak Chaisongkram acted in together?

They have worked on 4 movies together! Their first movie together was 3 Satang Gangster (1976) while their highest rated movie together was Cobra Thunderbolt (1984). They have not worked together since The Spy Inferno (1988). They are most known for their action films together.