How many movies have Ma Dong-seok and Oh Hee-jun acted in together?

They have worked on 4 movies together! Their first movie together was Along with the Gods: The Two Worlds (2017) while their highest rated movie together was Along with the Gods: The Last 49 Days (2018). They have not worked together since The Gangster, the Cop, the Devil (2019). They are most known for their thriller films together.