How many movies have Hideji Ōtaki and Kazuo Kitamura acted in together?

They have worked on 8 movies together! Their first movie together was A Chain of Islands (1965) while their highest rated movie together was Black Rain (1989). They have not worked together since Kita no kuni kara '92 Sudachi Part 1 (1992). They are most known for their drama films together.