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.
Cast
- Katsuhiko Sasaki as Inventor Goro Ibuki
- Yutaka Hayashi as Hiroshi Jinkawa
- Hiroyuki Kawase as Rokuro 'Roku-chan' Ibuki
- Kanta Mori as Japan Special Defense Forces Chief
- Kotaro Tomita as Lead Seatopian Agent
- Ulf Otsuki as Seatopian Agent
- Sakyo Mikami as Truck Driver's Assistant
- Fumiyo Ikeda as Man from Unit 1
- Robert Dunham as Emperor Antonio of Seatopia
- Gentaro Nakajima as Truck Driver