Katsuhiko Sasaki

as Master (voice)

as Matsuda Shigeru

as Chuang Hang (voice)

as Kazuo Kuroiwa

as Son Mundok / Son Mun-Deok (voice)

as Eihara Shozo

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 Masaki Daidoji

as Masayuki Takebayashi

as Agematsu

as Hitoshi Kusakabe

as Biologist Akira Ichinose

as Yoshihama, Nishiyama's Assistant

as Professor Yoshi

as Inventor Goro Ibuki

as Yoshinaga

as Tarō Uesugi, Yoyo Employee

as Michio Yoshikawa

as Communications Officer Miyake

as Tarō Uesugi

as Tsurugi (voice)