佐原健二
Kenji Sahara
饰：Shigeru Kawamura, colliery engineer (as Kenji Sawara)
白川由美
しらかわ ゆみ
饰：Kiyo, Shigeru's lover
平田昭彦
Torahiko Hamada
饰：Professor KYUichiro Kashiwagi (biology)
小堀明男
Akio Kobori
饰：Police Chief Nishimura
山田巳之助
Minosuke Yamada
饰：Colliery Chief Osaki
田岛义文
Yoshifumi Tajima
饰：Izeki, reporter of Seibu Nippou
千叶一郎
Ichirô Chiba
饰：Chief of police station
Saburo Iketani
饰：News Reader
门胁三郎
Saburo Kadowaki
饰：Sunagawa's colleague
河崎坚男
Katao Kawasaki
饰：Tsunesan, miner
如月宽太
Kanta Kisaragi
饰：Suteyan, miner
熊谷二良
Jiro Kumagai
饰：Policeman Tashiro
马野都留子
Tomeko Umayato
饰：Osumi, Kiyo's neighbor
松本光男
Mitsuo Matsumoto
饰：Professor Isokawa
Hideo Mihara
饰：Commander of JASDF
Kiyomi Mizunoya
饰：Otami, Yoshizo's wife
向井淳一郎
Junichirô Mukai
饰：Military officer
中野俊子
Toshiko Nakano
饰：Kiyo's neighbor
绪方燐作
Rinsaku Ogata
饰：Goro, miner, Kiyo's older brother
榊田敬治
Keiji Sakakida
饰：Tahei, miner
重信安宏
Yasuhiro Shigenobu
饰：Sabu, miner
须田准之助
Junnosuke Suda
饰：Coroner
铃川二郎
Jiro Suzukawa
饰：Yoshizo, miner
橘正晃
Masaaki Tachibana
饰：Policeman
坪野镰之
Kamayuki Tsubono
饰：Policeman of the crime laboratory
津田光男
Mitsuo Tsuda
饰：Staff officer Takeuchi
山田彰
Akira Yamada
饰：Radio operator on jeep
保罗·费斯
Paul Frees
饰：Police Chief Nishimura (voice - English version) (uncredited)
广濑正一
Shôichi Hirose
饰：F-86F pilot (uncredited)
今泉廉
Ren Imaizumi
饰：Engineer Sunagawa (seismologist) (uncredited)
陆锡麒
Keye Luke
饰：Shigeru (voice- English version) (uncredited)
村上冬树
Fuyuki Murakami
饰：Professor Minami (science) (uncredited)
中岛春雄
Haruo Nakajima
饰：Radon (uncredited)
中谷一郎
Ichirô Nakatani
饰：Senkichi, miner, killed by Meganuron (uncredited)
冈部正
Tadashi Okabe
饰：Journalist (uncredited)
冈丰
Yutaka Oka
饰：Kitahara, F-86F pilot (uncredited)
武井乔治
George Takei
饰：Professor Kashiwagi (voice - English version) (uncredited)
手冢胜巳
Katsumi Tezuka
饰：Hotel manager (uncredited)
莱斯·崔梅恩
Les Tremayne
饰：Narrator (U.S. version only) (uncredited)
堤康久
Yasuhisa Tsutsumi
饰：Imamura, F-86F pilot (uncredited)
宇野晃司
Koji Uno
饰：Reporter (uncredited)
James Yagi
饰：Voice (uncredited)
山本廉
Ren Yamamoto
饰：Soldier in Jeep (uncredited)
中田康子
Yasuko Nakata
饰：Female Honeymooner
Kiyoharu Onaka
Kiyoharu Onaka
饰：Male Honeymooner, Sunagawa's friend (as Kiyoharu Ohnaka)
Tsurue Ichimonji
Tsurue Ichimonji
饰：Haru, Kiyo's neighbor
Saeko Kuroiwa
Saeko Kuroiwa
饰：Nurse
Shigemi Sunagawa
Shigemi Sunagawa
饰：F-86F pilot
Bontaro Taira
Bontaro Taira
饰：Laborer
Kiyoshi Takagi
Kiyoshi Takagi
饰：Dr.Minakami (colliery)
Yasuko Nakada
饰：Female Honeymooner
Tsurue Ichimanji
饰：Haru, Kiyo`s neighbor
河崎坚男
Tateo Kawasaki
饰：Tsunesan, miner
松尾文人
Fumito Matsuo
Mike Daneen
饰：American Soldier Typing
铃木俊继
Toshitsugu Suzuki
饰：第一攻击部队通讯员
阿特·吉尔摩
Art Gilmore
熊谷卓三
Takuzô Kumagai
饰：Policeman Tashiro,(as Jirô Kumagai)
Hideo Unagami
饰：Miner
草间璋夫
Akio Kusama
饰：Suda