Sinopsis
Thousands of years ago, Mechagodzilla, a robotic monster, was driven into the sea by Godzilla, Earth's defender. Recently, a submarine was dispatched to locate Mechagodzilla's remains. Overpowered by humans from the Third Planet, the scholar Dr. Mafune is forced to control two monsters through experiments and inventions in order to conquer Earth. However, when Mechagodzilla is ordered to destroy a ship, a fierce battle ensues.
Pemeran
Linda Masson
Katsura Mafune / boy in red jacket (voices)
Barry Haigh
Akira Ichinose / Tsuda / Akatsuki I and II crew members / radio announcer / Third Planet henchmen (voices)
Matthew Oram
Dr. Mafune / Professor Ota / defense commander / Kusakari / Third Planet henchmen / soldiers / EAS announcer (voices)
Michael Ross
Jiro Murakoshi / Mugal / Black Hole Planet 3 henchmen (voices)
Peter Gilchrist
Chief Tagawa / Captain Nakatani / Akatsuki I and II crew members (voices)
Stuart Varney
Yuichi Wakayama / Yamashita / Akatsuki I and II crew members / Third Planet henchmen (voices)
Aileen Bridgewater
Yamamoto / boy in pink jacket / fisherman's wife (voices)