How many movies have Choi Jae-sup and Yang Hong-sam collaborated on?

They have worked on 3 movies together! Their first movie together was Oldboy (2003) and was their highest rated movie together. They have not worked together since Tazza: The High Rollers (2006). They are most known for their drama films together.

Role
Detective Agency Subordinate 1 (uncredited)
Crew
Set Decoration