How many movies have Choi Kwan-du and Im Kwon-taek collaborated on?

They have worked on 3 movies together! Their first movie together was Farewell to the Duman River (1962) while their highest rated movie together was Femme Fatale, Jang Hee Bin (1968). They have not worked together since Femme Fatale, Jang Hee Bin (1968). They are most known for their war films together.