Masaaki Daimon
Keisuke Shimizu
Kazuya Aoyama
Masahiko Shimizu
Reiko Tajima
Saeko Kanagusuku
Akihiko Hirata
Professor Hideto Miyajima
Hiroshi Koizumi
Professor Wagura
Masao Imafuku
Tengan Kunito, the Azumi Royal Family High Priest
Beru-Bera Lin
Nami Kunito, the Azumi Royal Family Princess
Shin Kishida
Interpol Agent Nanbara
Gorō Mutsumi
Alien Supreme Leader Kuronuma
Daigo Kusano
Yanagawa, Alien Agent #1
Takayasu Torii
Interpol Agent Tamura
Kenji Sahara
Ship's Captain
Yasuzō Ogawa
Construction Foreman
Takamitsu Watanabe
Alien Henchman # 1
Hiromi Matsuhita
Ikuko Miyajima
Takanobu Toya
Alien Henchman #2
Koji Ozaki
Alien Henchman #3
Kazunari Mori
Mechagodzilla
Kinichi Kusumi
King Caesar / Anguirus
