How many movies have Bong Tae-gyu and Woo Hyeon acted in together?

They have worked on 3 movies together! Their first movie together was Digital Short Film Omnibus Project Twentidentity, Vol. 1 (2003) while their highest rated movie together was Family Ties (2006). They have not worked together since How the Lack of Love Affects Two Men (2006). They are most known for their drama films together.