How many movies have Hideki Takahashi and Ryuuou Yamaguchi acted in together?

They have worked on 2 movies together! Their first movie together was Kyotaro Nishimura's Travel Mystery 67: Murder in Hakone - Leaves & Mountains (2017) and was their highest rated movie together. They have not worked together since Kyotaro Nishimura Travel Mystery 68: Disappearing Woman in Yamagata (2017).