How many movies have Kappei Yamaguchi and Masashi Sugawara acted in together?

They have worked on 4 movies together! Their first movie together was Crows (1994) while their highest rated movie together was Bonobono: Secret of the Kumomo Tree (2002). They have not worked together since Detective Conan: The Raven Chaser (2009). They are most known for their animation films together.