How many movies have Takeshi Kumagai and Tatsuo Endō acted in together?

They have worked on 4 movies together! Their first movie together was Samurai Wolf (1966) while their highest rated movie together was Battles Without Honor and Humanity: Deadly Fight in Hiroshima (1973). They have not worked together since Battles Without Honor and Humanity: Proxy War (1973). They are most known for their drama films together.