How many movies have Kwak Jae-yong and Son Tae-young collaborated on?

They have worked on 1 movie together! Their first movie together was 3인 3색 러브스토리: 사랑즐감 (2005) and was their highest rated movie together. They have not worked together since 3인 3색 러브스토리: 사랑즐감 (2005).