How many movies have Eijirō Kataoka and Katsuya Ishimaru 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 Bloody Spear at Mount Fuji (1955). They have not worked together since Restoration Fire (1961). They are most known for their drama films together.