How many movies have Phontharis Chotkijsadarsopon and Somchart Pawanaksopon collaborated on?

They have worked on 5 movies together! Their first movie together was Oh My Ghost 2 (2011) while their highest rated movie together was Oh My Ghost 3 (2012). They have not worked together since Make Me Shudder (2013). They are most known for their horror films together.