How many movies have Megumi Hayashibara and Tomomichi Nishimura acted in together?

They have worked on 6 movies together! Their first movie together was Castle in the Sky (1986) and was their highest rated movie together. They have not worked together since Mashin Eiyuuden Wataru: Nana Tamashii no Ryuujinmaru - Saikai (2022). They are most known for their animation films together.