Katsuhiko Sasaki
Biologist Akira Ichinose
Akihiko Hirata
Dr. Shinzô Mafune
Tadao Nakamaru
INTERPOL Chief Tagawa
Gorō Mutsumi
Commander Mugal
Masaaki Daimon
Captain Kusakari
Katsumasa Uchida
Jiro Murakoshi
Shin Roppongi
Yûuchi Wakayama
Tôru Ibuki
Deputy Commander Tsuda
Kenji Sahara
Defense Force Commander
Kotaro Tomita
Professor Ôta
Ikio Sawamura
Mafune's Butler
Kazuo Suzuki
Alien Henchman #1
Yoshio Kirishima
Alien Henchman #2
Masayoshi Kikuchi
Alien Henchman #3
Takuya Yuki
Alien Henchman #4
Jun Nishihara
Alien Henchman #5
Shizuko Azuma
Old Country Lady
Toshihiko Furuta
Interpol Worker
Takuzō Kumagai
Defense Corp Executive
Kazunari Mori
Mechagodzilla
Tatsumi Nikamoto
Titanosaurus
Yasuko Agawa
Yuri Yamamoto