How many movies have Eiji Muto and Masaya Takahashi acted in together?

They have worked on 1 movie together! Their first movie together was Mysterious Thirteen Nights: Chapter 12 - The Mystery of the Ever-Changing Tamamushi Mansion! (1971) and was their highest rated movie together. They have not worked together since Mysterious Thirteen Nights: Chapter 12 - The Mystery of the Ever-Changing Tamamushi Mansion! (1971).