How many movies have Kang Kye-shik and Seong So-min acted in together?

They have worked on 10 movies together! Their first movie together was The Youth (1955) while their highest rated movie together was Femme Fatale, Jang Hee Bin (1968). They have not worked together since Long Live the Island Frogs (1972). They are most known for their drama films together.