Koreya Senda
Professor Adachi
Ryō Ikebe
Major Ichiro Katsumiya
Kyōko Anzai
Etsuko Shiraishi
Yoshio Tsuchiya
Iwomura
Leonard Stanford
Dr. Roger Richardson
Harold Conway
Dr. Immerman
Hisaya Ito
Kogure
Minoru Takada
The Commander
Nadao Kirino
Gravity Man
Fuyuki Murakami
Inspector Iriake
Malcolm Pearce
Dr. Achmed
Leonard Walsh
Thomas Sheldon
Kōzō Nomura
Rocket Commander
Ikio Sawamura
Lantern Man
Tadashi Okabe
Newscaster
Elsie Richter
Sylvia
Takuzō Kumagai
Natari
Katsumi Tezuka
Natari
Mitsuo Tsuda
Natari
Osman Yusuf
Bystander
George Whyman
Roger
Yasuhisa Tsutsumi
Official
Dona Carlson
Roger's Wife
Kisao Hatamochi
Natari
Yasuo Araki
Natari
Heinz Bodmer
Advisor
Rinsaku Ogata
Astronomer
Shigeo Katô
Astronomer
Saburô Kadowaki
Astronomer
Keisuke Yamada
Natari
Yukihiko Gondô
Official
Koji Kamimura
Natari
Shinjirô Hirota
Natari