Yuiko Kariya as Bou-chan

Eisaku Yoshida as Shigeharu Kunieda

Sakura Ando as Yuki Sasayama

Hirofumi Arai as Tarou Miyagi

Hiroshi Yamamoto as Masaru Yamanosato

Kaoru Fujiwara as Takeo Abe

Runa Natsui as Emi Okazaki

Kosuke Toyohara as Father

Naomi Nishida as Mother

Lily Franky as Tobimatsu