How many movies have Nam Koong-won and Shin Seong-il acted in together?

They have worked on 11 movies together! Their first movie together was Romance Papa (1960) while their highest rated movie together was The Eunuch (1968). They have not worked together since The Three-Day Reign (1973). They are most known for their drama films together.

Role
Eojin (Oldest son)
Role
Barun (Second son)