How many movies have Kappei Yamaguchi and Kumiko Watanabe acted in together?

They have worked on 7 movies together! Their first movie together was Inferious Interplanetary War Chronicle - Condition Green (1991) while their highest rated movie together was Inuyasha the Movie 2: The Castle Beyond the Looking Glass (2002). They have not worked together since One Piece Film Red (2022). They are most known for their fantasy films together.