How many movies have Hachirō Oka and Sanpei Taira acted in together?

They have worked on 3 movies together! Their first movie together was Hoodlum Match (1965) while their highest rated movie together was The Erotomaniac Daimyo (1972). They have not worked together since The Racketeer Ishimatsu (1976). They are most known for their drama films together.