How many movies have Harue Sakakura and Kôji Nanbara acted in together?

They have worked on 1 movie together! Their first movie together was Parakin to Kyū-chan mōshiwakenai yarō-tachi (1962) and was their highest rated movie together. They have not worked together since Parakin to Kyū-chan mōshiwakenai yarō-tachi (1962).