Akihiko Hirata

as Daisuke Serizawa (archive footage) (uncredited)

as Dr. Daisuke Serizawa (archive footage)

as Space Command official

as Dr. Inoue Ryutarou

as Producer

as Captain Roper

as City Employee

as Botanist

as Gaishi Nagaoka

as Iwamoto

as Kan Aizawa

as Defense Countermeasure Supreme Commander Oshi

as Captain Gomes

as Captain Gomez

as Dr. Serizawa

as Commander Guzare

as Dr. Shinzô Mafune

as Environmental scientist #1

as Professor Hideto Miyajima

as Mr. K

as Tomita

as Furansu

as Geki Kurokawa

as Staff Officer Tsunoda

as Dr. Sugata

as Suwa Yorishige

as Asakawa

as Staff Officer Watanabe

as Fujisaki

as Commander Sugahara - 302nd Air Group

as Professor Iwamoto (uncredited)

as Man With Turkish Hat

as Red Bamboo Captain Ryui

as Dr. Iwamoto

as Nozaki

as Chamberlain

as Asakura

as Omasa

as Komori

as Secretary Asano

as Dr. Kudo

as Sohei Masui

as Chief Detective Okita

as Ryutaro Inoue

as Mu Agent #23

as Eburi's older brother

as 戸井田教授

as Dr. Shigezawa (uncredited)

as Rokusuke Sakai (CM Song Lyricist)

as Senda's Aide

as Dr. Fujimora

as Dr. Shigezawa

as Captain Sugiyama

as Endô

as Samurai

as Shima

as Doctor

as Otaki (President of Otaki Construction)

as Hayatonosho 'Hayato' Susukida

as Kozo Kinugawa

as Toriumi

as Fleet Staff Officer

as Jōta

as Inspector Kobayashi

as Kishimoto

as Susumu Tendo

as Kibino Takehiko

as Jiro Hidekuni

as Akaboshi

as Iwafune

as Dr. Fujimora

as Inspector Tominaga

as Journalist

as Tomonori

as Ryoichi Shiraishi

as Arishima

as Dr. Kyuichiro Kashiwagi

as Sashichi

as Count Arishima

as Tokuoka

as Tomonori

as Dr. Serizawa

as Professor Kyuichiro Kashiwagi

as Junkichi Nakata

as Henchman Ken

as Dr. Serizawa

as Shunsuke Iba

as Seijuro Yoshioka (uncredited)

as Horikoshi no Masakichi

as Seijuro Yoshioka

as Daisuke Serizawa

as Seijuro Yoshioka

as Kozo Miyoshi

as First lieutenant Noguchi

as Ryusaku Nishikawa

as Yamaoka (Sandaime)