
Godzilla vs. Megalon
- Action
- Adventure
- Science Fiction
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.
Cast

Katsuhiko Sasaki
Inventor Goro Ibuki

Yutaka Hayashi
Hiroshi Jinkawa

Hiroyuki Kawase
Rokuro 'Roku-chan' Ibuki
- Kanta Mori
Kanta Mori
Japan Special Defense Forces Chief

Kotaro Tomita
Lead Seatopian Agent
- Ulf Otsuki
Ulf Otsuki
Seatopian Agent
- Sakyo Mikami
Sakyo Mikami
Truck Driver's Assistant
- Fumiyo Ikeda
Fumiyo Ikeda
Man from Unit 1

Robert Dunham
Emperor Antonio of Seatopia
- Gentaro Nakajima
Gentaro Nakajima
Truck Driver
- Ralph Jesser
Ralph Jesser
Antonio's Aide (Radio Operator in White)
- Shinji Takagi
Shinji Takagi
Godzilla
- Hideto Odachi
Hideto Odachi
Megalon
- Tsugutoshi Komada
Tsugutoshi Komada
Jet Jaguar
- Masachika Mori
Masachika Mori
Jet Jaguar

Kenpachirō Satsuma
Gigan (as Kengo Nakayama)

Gorō Naya
Emperor Atonio of Seatopia (voice)
- Eisuke Nakanishi
Eisuke Nakanishi
Narrator

Haruo Nakajima
Godzilla (archive footage) (uncredited)



















