How many movies have Jang Hoon and Ko Chang-seok collaborated on?

They have worked on 4 movies together! Their first movie together was Rough Cut (2008) while their highest rated movie together was A Taxi Driver (2017). They have not worked together since A Taxi Driver (2017). They are most known for their drama films together.

Crew
Director
Role
Vietnam Boss
Crew
Screenplay
Crew
Director
Role
Director Bong
Crew
Adaptation