How many movies have Heo Myeong-haeng and Kim Byung-in collaborated on?

They have worked on 6 movies together! Their first movie together was Train to Busan (2016) while their highest rated movie together was Along with the Gods: The Last 49 Days (2018). They have not worked together since Kingdom: Ashin of the North (2021). They are most known for their action films together.