How many movies have Kōichi Katsuragi and Ryōsuke Kagawa acted in together?

They have worked on 23 movies together! Their first movie together was Yataro's Hat - Comings and Goings (1932) while their highest rated movie together was The Ghost Cat of Ouma Crossing (1954). They have not worked together since Nichiren and the Great Mongol Invasion (1958).