How many movies have Nirut Sirijanya and Santisuk Promsiri acted in together?

They have worked on 5 movies together! Their first movie together was Boonchu 1 (1988) while their highest rated movie together was Ong Bak 2 (2008). They have not worked together since Ong Bak 3 (2010). They are most known for their action films together.