Casting de Miraï, ma petite sœur

Moka Kamishiraishi

Kun (voice)

Haru Kuroki

Mirai (voice)

Gen Hoshino

Father (voice)

Kumiko Aso

Mother (voice)

Mitsuo Yoshihara

Mysterious Man (voice)

Yoshiko Miyazaki

Grandmother (voice)

Kôji Yakusho

Grandfather (voice)

Masaharu Fukuyama

Young Man (voice)

Kaede Hondo

Baby Mirai (voice)

Hakuzan Kanda

Robot at the Tokyo Station Lost & Found Center (voice)

Tasuku Hatanaka

High School Student (voice)

Asami Sanada

Great-Grandma (voice)

Sakura Saiga

Mother (Young Girl) (voice)

Kazuhisa Tanaka

Tokyo Station Announcer (voice)

Tadashi Nakamura

Shinkansen (voice)

Kaori Yamagata

Additional Voices (voice)

Sakiko Tamagawa

Additional Voices (voice)

Hajime Inoue

Additional Voices (voice)

Toranosuke Kato

Additional Voices (voice)

Atsuki Morinaga

Additional Voices (voice)

Harutomo Koyama

Additional Voices (voice)

Maika Hara

Additional Voices (voice)

Bianca Allen

Additional Voices (voice)