How many movies have Heo Chang-kang and Jeon Bong-pil collaborated on?

They have worked on 4 movies together! Their first movie together was Sinmungo (1963) 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 drama films together.