How many movies have Hekiru Shiina and Hiroko Kasahara acted in together?

They have worked on 3 movies together! Their first movie together was 3丁目のタマ おねがい！モモちゃんを捜して！！ (1993) while their highest rated movie together was Rayearth Special Version -Wings of Hope- (1998). They have not worked together since Rayearth Special Version -Wings of Hope- (1998). They are most known for their animation films together.