as Master (voice)

as Chuang Hang (voice)

as Matsuda Shigeru

as Kazuo Kuroiwa

as Son Mundok / Son Mun-Deok (voice)

as Toshikazu Nagatsuka

as Takenaka (voice)

as Hennich (voice)

as 雪乃の主治医

as Toshiyuki Hasebe

as Professor Mazaki

as Soldier with Glasses

as Masayuki Takebayashi

as Masaki Daidoji

as Agematsu

as Hitoshi Kusakabe

as Biologist Akira Ichinose

as Professor Yoshi

as Yoshihama, Nishiyama's Assistant

as Inventor Goro Ibuki

as Yoshinaga

as Communications Officer Miyake

as Michio Yoshikawa

as Tarō Uesugi

as Tarō Uesugi, Yoyo Employee

as Tsurugi (voice)