How many movies have Hajime Kubo and Hisashi Kubo acted in together?

They have worked on 4 movies together! Their first movie together was Police Department Story Pt.18: Mysterious Red Phone (1962) while their highest rated movie together was Prison Walls of Abashiri, Part 2 (1965). They have not worked together since The Cheating Underworld (1968). They are most known for their crime films together.