How many movies have Hajime Ôya and Hidetoshi Kageyama acted in together?

They have worked on 4 movies together! Their first movie together was Shinjuku Midare Machi: Ikumade Matte (1977) while their highest rated movie together was Angel Guts: Red Classroom (1979). They have not worked together since Yummy in Neon Town: I Am Ready to Be Eaten (1979). They are most known for their drama films together.