How many movies have Hiroshi Kato and Ichitarō Kuni acted in together?

They have worked on 6 movies together! Their first movie together was Case of a Young Lord 4: Bridal Robe in Blood (1957) while their highest rated movie together was Miyamoto Musashi: Showdown at Hannyazaka Heights (1962). They have not worked together since Red Peony Gambler: Execution of Duty (1972). They are most known for their drama films together.