How many movies have Choi Hyung-rai and Jeong Seok-hyeon collaborated on?

They have worked on 3 movies together! Their first movie together was A Swordsman (1967) while their highest rated movie together was Femme Fatale, Jang Hee Bin (1968). They have not worked together since A Man Like the Wind (1968). They are most known for their action films together.