Akihiko Hirata

as Dr. Daisuke Serizawa (archive footage)

as Space Command official

as Dr. Inoue Ryutarou

as Defense Countermeasure Supreme Commander Oshi

as Dr. Serizawa

as Dr. Shinzô Mafune

as Environmental scientist #1

as Professor Hideto Miyajima

as Dr. Sugata

as Suwa Yorishige

as Fujisaki

as Red Bamboo Captain Ryui

as Asakura

as Komori

as Sohei Masui

as Chief Detective Okita

as Ryutaro Inoue

as Mu Agent #23

as Eburi's older brother

as Dr. Kenji Shigezawa (uncredited)

as Dr. Fujimora

as Dr. Shosuke Shigezawa

as Endô

as Shima

as Doctor

as Hayatonosho 'Hayato' Susukida

as Inspector Kobayashi

as Susumu Tendo

as Akaboshi

as Dr. Fujimora

as Inspector Tominaga

as Ryoichi Shiraishi

as Dr. Serizawa

as Professor Kyuichiro Kashiwagi

as Dr. Serizawa

as Seijuro Yoshioka

as Daisuke Serizawa

as Seijuro Yoshioka