Cast (46)
Kenji Sahara
Shigeru Kawamura
Yumi Shirakawa
Kiyo
Akihiko Hirata
Professor Kyuichiro Kashiwagi
Mitsuo Tsuda
Staff Officer Takeuchi
Minosuke Yamada
Mining Chief Osaki
Yoshifumi Tajima
Izeki
Jun'ichirō Mukai
Military officer
Ren Imaizumi
Sunagawa
Rinsaku Ogata
Goro
Akio Kobori
Police Chief Nishimura
Ichirō Chiba
Chief of Police
Tsurue Ichimanji
Haru
Tateo Kawasaki
Tsunesan
Kanta Kisaragi
Suteyan
Tsuruko Mano
Osumi
Jirô Suzukawa
Yoshizo
Yasuhiro Shigenobu
Sabu
Keiji Sakakida
Tahei
Ichirô Nakatani
Senkichi
Kiyoshi Takagi
Dr. Minakami (uncredited)
Fuyuki Murakami
Professor Minami (uncredited)
Mitsuo Matsumoto
Professor Isokawa (uncredited)
Takuzō Kumagai
Policeman Tashiro (uncredited)
Yasuhisa Tsutsumi
Imamura, F-86F pilot (uncredited)
Yutaka Oka
Kitahara, F-86F pilot (uncredited)
Shigemi Sunagawa
F-86F pilot (uncredited)
Katsumi Tezuka
Rodan / Meganulon / Hotel Manager
Haruo Nakajima
Rodan / Meganulon
Shôichi Hirose
Meganulon / Fighter pilot
Saburô Kadowaki
Sunagawa's colleague (uncredited)
Kiyoharu Onaka
Male Honeymooner, Sunagawa's friend (uncredited)
Yasuko Nakata
Female Honeymooner (uncredited)
Junnosuke Suda
Coroner (uncredited)
Toshiko Nakano
Kiyo's neighbor (uncredited)
Saburô Iketani
News Reader (uncredited)
Saeko Kuroiwa
Nurse (uncredited)
Bontarô Taira
Laborer (uncredited)
Keiichirô Katsumoto
Coal mine employee (uncredited)
Kamayuki Tsubono
Policeman at crime laboratory (uncredited)
Mike Daneen
Okinawan correspondent (uncredited)
Masaaki Tachibana
Policeman (uncredited)
Tadashi Okabe
Journalist (uncredited)
Kôji Uno
Reporter (uncredited)
Akira Yamada
Radio operator on jeep (uncredited)
Ren Yamamoto
Soldier in jeep (uncredited)
Tokio Ôkawa
Meganulon (uncredited)