How many movies have Shin Seong-il and Tae Hyun-sil acted in together?

They have worked on 4 movies together! Their first movie together was I Am a King (1966) while their highest rated movie together was Femme Fatale, Jang Hee Bin (1968). They have not worked together since Five Hostesses for the Resistance (1973). They are most known for their drama films together.