How many movies have Kim Ki-hyeon and Kim Sung-soo collaborated on?
They have worked on 1 movie together! Their first movie together was The Flu (2013) and was their highest rated movie together. They have not worked together since The Flu (2013).
They have worked on 1 movie together! Their first movie together was The Flu (2013) and was their highest rated movie together. They have not worked together since The Flu (2013).
