How many movies have Kiyoshi Kobayashi and Koichi Kitamura acted in together?

They have worked on 7 movies together! Their first movie together was Golgo 13: The Professional (1983) while their highest rated movie together was Lupin the Third: Operation: Return the Treasure (2003). They have not worked together since Lupin the Third: Operation: Return the Treasure (2003). They are most known for their animation films together.