How many movies have Shiro Tonami and Tetsuya Nakahira acted in together?

They have worked on 4 movies together! Their first movie together was Kenjū wa samishī otoko no uta sa (1962) while their highest rated movie together was Detective Bureau 2-3: Go to Hell, Bastards! (1963). They have not worked together since Fight of the Gamblers (1963). They are most known for their crime films together.