How many movies have Minken Karasawa and Yôichi Ôyama acted in together?

They have worked on 2 movies together! Their first movie together was Moonshadow Ninja Scroll: Twenty-One Eyes (1963) while their highest rated movie together was Miyamoto Musashi: The Duel at Ichijo Temple (1964). They have not worked together since Miyamoto Musashi: The Duel at Ichijo Temple (1964).