as Tarō Uesugi
as Chuang Hang (voice)
as Communications Officer Miyake
as Biologist Akira Ichinose
as Yoshihama, Nishiyama's Assistant
as Yoshinaga
as Michio Yoshikawa
as Masayuki Takebayashi
as Inventor Goro Ibuki
as Agematsu
as Professor Yoshi
as Hitoshi Kusakabe
as Matsuda Shigeru
as Professor Mazaki
as Soldier with Glasses
as Tarō Uesugi, Yoyo Employee
as Tsurugi (voice)
as Hennich (voice)
as Takenaka (voice)
as Master (voice)
as Son Mundok / Son Mun-Deok (voice)
as Masaki Daidoji
as 雪乃の主治医
as Toshiyuki Hasebe
as Toshikazu Nagatsuka
as Kazuo Kuroiwa
