Mao Inoue as Mayu Taneda

Masaki Okada as Takuma Kakunouchi

Tetta Sugimoto as Minoru Kakinouchi

Yōko Moriguchi as Ryoko Kakinouchi

Yoshihiko Hosoda as Kou Suzuya

Natsuki Harada as Teru Uehara

Toru Nakamura as Dr. Takahito Taneda

Yuki Terada as Yuiko Tamura

Masataka Kubota as Ritsu Sugiyama

Keiko Horiuchi as Yoshimi Suzuya

Gaku Yamamoto as Ryujo Suzuya

Kaito Kobayashi as Takuma Kakunouchi (child)

Sea Kumada as Mayu Taneda (child)

Ryunosuke Suzuki as Sudo

Toshi Takeuchi as Student

Mari Okamoto as High school student

Kotaro Shiga as English teacher

Yuji Abe as Teacher Ito

Yuki Torigoe as

Yûsuke Fukuda as

Takumi Kizu as Kamio Kotaro