How many movies have Shigeru Amachi and Ulf Otsuki acted in together?

They have worked on 2 movies together! Their first movie together was 江戸川乱歩の黄金仮面ＩＩ／桜の国の美女 (1980) while their highest rated movie together was Port Arthur (1980). They have not worked together since Port Arthur (1980).