How many movies have Hiroshi Mizuno and Kyōichi Hara acted in together?

They have worked on 8 movies together! Their first movie together was Merciless Blade Part 2 (1953) while their highest rated movie together was Sasaki Kojiro, Part 2 (1957). They have not worked together since Uta matsuri akagiyama (1962). They are most known for their action films together.