A submarine expedition to salvage the remains of Mechagodzilla is thwarted by a massive dinosaur named Titanosaurus. An Interpol investigation leads biologist Ichinose to uncover the work of Dr. Mafune and his mysterious daughter Katsura. Aligned with the Black Hole Aliens, Katsura's life becomes entwined with the resurrected machine.
佐々木勝彦
as Biologist Akira Ichinose
藍とも子
as Katsura Mafune
平田昭彦
as Dr. Shinzô Mafune
中丸忠雄
as INTERPOL Chief Tagawa
睦五朗
as Commander Mugal
大門正明
as Captain Kusakari
内田勝正
as Jiro Murakoshi
六本木誠人
as Yûuchi Wakayama
伊吹徹
as Deputy Commander Tsuda
佐原健二
as Defense Force Commander
富田浩太郎
as Professor Ôta
沢村いき雄
as Mafune's Butler
