How many movies have Masaru Shinozuka and Tappei Shimokawa acted in together?

They have worked on 1 movie together! Their first movie together was Choshichiro's Edo Diaries: The Yagyu Conspiracy (1984) and was their highest rated movie together. They have not worked together since Choshichiro's Edo Diaries: The Yagyu Conspiracy (1984).