Raymond Burr
Steven Martin
Keiju Kobayashi
Prime Minister Mitamura
Ken Tanaka
Goro Maki
Yasuko Sawaguchi
Naoko Okumura
Shin Takuma
Hiroshi "Ken" Okumura
Warren J. Kemmerling
General Goodhue
James Scott Hess
Colonel Raschen
Travis Swords
Major McDonough
Eitarō Ozawa
Finance Minister Kanzaki
Taketoshi Naitō
Takegami, Chief Cabinet Secretary
Nobuo Kaneko
Home Affairs Minister Isomura
Mizuho Suzuki
Foreign Minister Emori
Takeshi Katō
Internal Trade and Industry Minister Kasaoka
Sho Hashimoto
Captain of Super X
Junkichi Orimoto
Director-General of the Defense Agency
Yoshibumi Tajima
Environmental Director General Hidaka
Hiroshi Koizumi
Geologist Minami
Kunio Murai
Secretary Henmi
Shigeo Katō
Ship Captain
Kei Satō
Gondo
Takenori Emoto
Kitagawa
Chinpei Hayashiya
Cameraman Kamijo (as Shinpei Hayashiya)
Koji Ishizaka
Member of the Staff of a Nuclear Power Plant
Tetsuya Takeda
Tramp
Crawford Binion
Lieutenant
Justin Gocke
Kyle
Yōsuke Natsuki
Biologist Hayashida
Kenpachirō Satsuma
Godzilla (uncredited)
Haruo Nakajima
Original Godzilla (archive footage) (uncredited)
Akira Toriyama
Man fleeing from Godzilla (uncredited)
Tony Plana
Goro Maki (voice) (uncredited)
Lara Cody
Naoko Okumura / Tohto Times walla / Pentagon personnel (voice) (uncredited)
Andy Goldberg
Hiroshi "Ken" Okumura (voice) (uncredited)
Gregory Snegoff
Secretary Takegami / Kitagawa / newscaster (voice) (uncredited)
Paul Wilson
Biologist Hayashida / Kakurai (voice) (uncredited)