How many movies have Donald Cerrone and Jung Chan-sung acted in together?

They have worked on 4 movies together! Their first movie together was WEC 48: Aldo vs. Faber (2010) while their highest rated movie together was UFC on Fuel TV 3: Korean Zombie vs. Poirier (2012). They have not worked together since UFC Fight Night 139: Korean Zombie vs Rodriguez (2018).