How many movies have Mari Okamoto and Yoji Yamada collaborated on?

They have worked on 12 movies together! Their first movie together was Tora-san's Love Call (1971) while their highest rated movie together was Tora-san's Sunrise and Sunset (1976). They have not worked together since Otoko wa Tsurai yo: Torajirou Wasurenagusa (1998). They are most known for their comedy films together.