How many movies have Koichi Ose and Shintarō Katsu acted in together?

They have worked on 3 movies together! Their first movie together was 仲良し音頭・日本一だよ (1962) while their highest rated movie together was New Hoodlum Soldier Story: Firing Line (1972). They have not worked together since New Hoodlum Soldier Story: Firing Line (1972).