How many movies have Kappei Yamaguchi and Masaya Takatsuka acted in together?

They have worked on 6 movies together! Their first movie together was One Piece: The Desert Princess and the Pirates: Adventure in Alabasta (2007) while their highest rated movie together was One Piece Episode of East Blue (2017). They have not worked together since One Piece: Episode of Skypiea (2018). They are most known for their action films together.