Kana Hanazawa

Miyu (voice)

Shintaro Asanuma

Daru (voice)

Sayuri Yahagi

Chika (voice)

Akiko Hiramatsu

Miyu's Mother (voice)

Hiromichi Tezuka

Narrator (voice)

Shino Shimoji

Elementary School Student (voice)

Shun Horie

Junior High School Student (voice)

Makoto Shinkai

Chobi (voice)