How many movies have Shûzaburô Ôkubo and Yûkichi Nagae acted in together?

They have worked on 1 movie together! Their first movie together was Koina no Ginpei, Migratory Snowbird (1931) and was their highest rated movie together. They have not worked together since Koina no Ginpei, Migratory Snowbird (1931).