How many movies have Minoru Asuka and Tomohiko Ôtani acted in together?

They have worked on 4 movies together! Their first movie together was Emperor Meiji and the Great Russo-Japanese War (1957) while their highest rated movie together was Super Giant: The Mysterious Spacemen's Demonic Castle (1957). They have not worked together since The Pacific War and the International Military Tribunal (1959). They are most known for their war films together.