How many movies have Denjirō Ōkōchi and 市川哲夫 collaborated on?

They have worked on 2 movies together! Their first movie together was お役者小僧 江戸千両幟 (1955) while their highest rated movie together was 晴姿稚児の剣法 (1956). They have not worked together since 晴姿稚児の剣法 (1956).