How many movies have Kei Ogawa and Tatsuya Hamaguchi acted in together?

They have worked on 4 movies together! Their first movie together was Wakazuma nikki: Modaeru (1977) while their highest rated movie together was Dead End (1978). They have not worked together since Boss Girl Mafia: Flesh Punishment (Lynch) (1980). They are most known for their drama films together.