How many movies have Atsushi Watanabe and Yōko Matsuyama acted in together?

They have worked on 2 movies together! Their first movie together was Nitōhei monogatari: Shindara kami-sama no maki (1958) while their highest rated movie together was Trapped, the Crimson Bat (1969). They have not worked together since Trapped, the Crimson Bat (1969).