Ken Tanaka
Goro Maki
Yasuko Sawaguchi
Naoko Okumura
Yōsuke Natsuki
Professor Makoto Hayashida
Keiju Kobayashi
Prime Minister Seiki Mitamura
Shin Takuma
Hiroshi Okumura
Eitarō Ozawa
Minister of Finance Kanzaki
Hiroshi Koizumi
Professor Minami
Taketoshi Naitō
Chief Cabinet Secretary Takegami
Kenpachirō Satsuma
Godzilla
Mizuho Suzuki
Foreign Minister Emori
Junkichi Orimoto
Director-General of the Defense Agency
Kei Satō
Chief Editor Gondo
Tetsuya Takeda
Homeless man
Nobuo Kaneko
Home Affairs Minister Isomura
Takenori Emoto
Desk Editor Kitagawa
Kunio Murai
Secretary Henmi
Shigeo Katô
Captain of the Yahata Maru
Koji Ishizaka
Power plant guard
Joe Raznack
Kramer, American Ambassador (uncredited)
Joseph Grace
Zazimov, Soviet Ambassador (uncredited)
Walter Nichols
Rosenburg, Special Envoy for the President of the United States
Alexander Kilis
Chefsky, Special Envoy for the Soviet Union
Akira Toriyama
Man fleeing from Godzilla (uncredited)
Yuji Horii
Man fleeing from Godzilla (uncredited)
Akira Sakuma
Man fleeing from Godzilla (uncredited)