How many movies have Jūzaburō Akechi and Kanjūrō Arashi acted in together?

They have worked on 10 movies together! Their first movie together was 勤王？　佐幕？　女人曼陀羅 (1956) while their highest rated movie together was The Shadow Avenger (1959). They have not worked together since Fûun Shinsengumi (1961).