Godzilla vs. Megalon
Gゴジラ対メガロ
“Dreaded Megalon from the undersea kingdom! A miraculous deathblow from the wound-ridden Godzilla!”
1973·82 min·Released
Studio: TOHO, Toho Eizo Bijutsu, Tokyo Laboratory
6.2TMDb
Available on
Theatrical Mar 17, 1973
🇯🇵
Japan · Japanese · Foreign
Overview
Inventor Goro Ibuki creates a humanoid robot named Jet Jaguar. It is soon seized by an undersea race of people called the Seatopians. Using Jet Jaguar as a guide, the Seatopians send Megalon as vengeance for the nuclear tests that have devastated their society.
Crew
DirectorJun Fukuda
WriterJun Fukuda
Cast
Katsuhiko Sasaki
Inventor Goro Ibuki
Yutaka Hayashi
Hiroshi Jinkawa
Hiroyuki Kawase
Rokuro 'Roku-chan' Ibuki
Kanta Mori
Japan Special Defense Forces Chief
Kotaro Tomita
Lead Seatopian Agent
Ulf Otsuki
Seatopian Agent
Sakyo Mikami
Truck Driver's Assistant
Fumiyo Ikeda
Man from Unit 1
Robert Dunham
Emperor Antonio of Seatopia
Gentaro Nakajima
Truck Driver
Ralph Jesser
Antonio's Aide (Radio Operator in White)
Shinji Takagi
Godzilla
Hideto Odachi
Megalon
Tsugutoshi Komada
Jet Jaguar
Masachika Mori
Jet Jaguar
Kenpachirō Satsuma
Gigan (as Kengo Nakayama)
Gorō Naya
Emperor Atonio of Seatopia (voice)
Eisuke Nakanishi
Narrator
Haruo Nakajima
Godzilla (archive footage) (uncredited)
Part of Godzilla (Showa) Collection
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Keywords
underground worldjapankidnappinggiant monstergiant robotrobotalien invasionstock footagegojirakaijutag teammonster islandgodzillatokusatsu
Details
Budget
$1M
Revenue
$20M
TMDb Votes
240
Added May 15, 2026Updated Jun 4, 2026