Ken Ishiguro

as Kei and Tomo's Father (voice)

as Zenzo Shogasaki

as Dr. Kazuhiko Manabe

as Zenzo Shogasaki

as Narumi Takasu

as Yusaku Ujihara

as Zenzo Jougasaki

as Kazushi Yoshioka

as Shintani

as Yusaku Godai

as Takuya Yamamori

as Keiichi Saeki

as Eiji Shinsei

as Kyozo Shiina

as Osamu Yokoyama

as Shota Amenomori

as Masahiko Takano

as Tsutomu Otomo