How many movies have Shoji Nakayama and Yukio Kohama acted in together?

They have worked on 5 movies together! Their first movie together was Submarine Ro Hasn't Surfaced (1954) while their highest rated movie together was The Military Policeman and the Dismembered Beauty (1957). They have not worked together since Emperor & Empress Meiji and the Sino-Japanese War (1958). They are most known for their war films together.