How many movies have Choi Seong-kwan and Lee Doo-yong collaborated on?

They have worked on 4 movies together! Their first movie together was Manchurian Tiger (1974) while their highest rated movie together was Spinning the Tales of Cruelty Towards Women (1984). They have not worked together since Spinning the Tales of Cruelty Towards Women (1984). They are most known for their drama films together.