How many movies have Heo Chang-kang and Seong So-min acted in together?

They have worked on 13 movies together! Their first movie together was Palace of Ambition (1957) while their highest rated movie together was Femme Fatale, Jang Hee Bin (1968). They have not worked together since Cruel history of Myeong Dong (1972). They are most known for their drama films together.

Role
Heo Dal-su (ep. 1, 2, 3)
Role
Head of the Detective Department (ep. 2)
Role
Choi Young-cheol (interpreter)
Role
Won Se-jong (Sang-hyeon's middle school classmate)