

Godzilla vs. Megalon
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.
Director(s)
Jun Fukuda
Tsunesaburo Nishikawa
Eiichi Asada
Yoshio Tabuchi
Cast & crew

Haruo Nakajima
Godzilla (archive footage) (uncredited)

Jun Fukuda
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Hiroyuki Kawase
Rokuro 'Roku-chan' Ibuki

Gorō Naya
Emperor Atonio of Seatopia (voice)

Kenpachirō Satsuma
Gigan (as Kengo Nakayama)
Yoshio Tabuchi
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Kotaro Tomita
Lead Seatopian Agent

Robert Dunham
Emperor Antonio of Seatopia

Katsuhiko Sasaki
Inventor Goro Ibuki

Yutaka Hayashi
Hiroshi Jinkawa
Kanta Mori
Japan Special Defense Forces Chief
Ulf Otsuki
Seatopian Agent
Sakyo Mikami
Truck Driver's Assistant
Fumiyo Ikeda
Man from Unit 1
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
Eisuke Nakanishi
Narrator
Tsunesaburo Nishikawa
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Eiichi Asada
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