Noriko Hidaka as Satsuki Kusakabe (voice)

Chika Sakamoto as Mei Kusakabe (voice)

Hitoshi Takagi as Totoro (voice)

Shigesato Itoi as Tatsuo Kusakabe (voice)

Sumi Shimamoto as Yasuko Kusakabe (voice)

Tanie Kitabayashi as Granny (voice)

Toshiyuki Amagasa as Kanta Ogaki (voice)

Yuko Maruyama as Kanta's Mother (voice)

Masashi Hirose as Kanta's Father (voice)

Reiko Suzuki as Kanta's Aunt (voice)

Machiko Washio as Teacher (voice)

Naoki Tatsuta as Catbus (voice)

Tomohiro Nishimura as Postman (voice)

Chie Koujiro as Michiko (voice)

Yuko Mizutani as Ryoko (voice)

Shigeru Chiba as Additional Voices (voice)

TARAKO as Additional Voices (voice)

Mitsuko Ishida as Additional Voices (voice)

Daiki Nakamura as Additional Voices (voice)

Akiko Hiramatsu as Additional Voices (voice)

Ikue Otani as Additional Voices (voice)