Hideaki Anno as Jiro Horikoshi (voice)

Hidetoshi Nishijima as Honjô (voice)

Miori Takimoto as Naoko Satomi (voice)

Masahiko Nishimura as Kurokawa (voice)

Stephen Alpert as Castorp (voice)

Mansai Nomura as Giovanni Battista (voice)

Jun Kunimura as Hattori (voice)

Mirai Shida as Kayo Horikoshi (voice)

Shinobu Ôtake as Mrs. Kurokawa (voice)

Morio Kazama as Satomi (voice)

Keiko Takeshita as Jirô's mother (voice)

Sascha as German Security Guard / Flight Engineer (voice)

Kaichi Kaburagi as Young Jiro Horikoshi (voice)

Maki Shinta as Young Kayo Horikoshi (voice)