How many movies have Hitoshi Ōmae and Rinichi Yamamoto acted in together?

They have worked on 7 movies together! Their first movie together was Miyamoto Musashi: Showdown at Hannyazaka Heights (1962) while their highest rated movie together was Lord Tokugawa Ieyasu (1965). They have not worked together since Battles Without Honor and Humanity: Proxy War (1973). They are most known for their drama films together.