How many movies have Kim In-kwon and Seong Byeong-suk acted in together?

They have worked on 3 movies together! Their first movie together was Tidal Wave (2009) while their highest rated movie together was Be-Bop-A-Lula (2018). They have not worked together since Be-Bop-A-Lula (2018). They are most known for their drama films together.