How many movies have Kōichi Itō and Mantarō Ushio acted in together?

They have worked on 15 movies together! Their first movie together was Koyoi Tsuma to Narinu (1947) while their highest rated movie together was Warm Current (1957). They have not worked together since The Great White Tower (1966). They are most known for their drama films together.

Role
Dr. Watanabe
Role
Editor-in-chief Iwamura