How many movies have Jang Won-seok and Jung Cheol-ung collaborated on?

They have worked on 3 movies together! Their first movie together was The Outlaws (2017) while their highest rated movie together was The Gangster, the Cop, the Devil (2019). They have not worked together since The Gangster, the Cop, the Devil (2019). They are most known for their thriller films together.