How many movies have Han Myeong-hwan and Park Dong-ryong acted in together?

They have worked on 6 movies together! Their first movie together was One Who Comes Back and the Other Who Has To Leave (1972) while their highest rated movie together was Manchurian Tiger (1974). They have not worked together since Imbecile 3 (1987). They are most known for their action films together.