Grendizer, Getter Robo G, Great Mazinger: Decisive Battle! The Great Sea Monster
A giant sea monster known as Dragonsaurus has emerged from out of nowhere, terrorizing the depths of the oceans. Great Mazinger, Grendizer and the Getter Robo G team join forces to combat the new threat. But their task becomes more complicated when Dragonsaurus swallows up Boss Borot and makes its way towards Tokyo. Source: ANN
Cast
Akira Kamiya
as Ryo Nagare
Hiroya Ishimaru
as Kôji Kabuto
Keaton Yamada
as Hayato Jin
Kei Tomiyama
as Daisuke Umon / Duke Fleed
Keiichi Noda
as Tetsuya Tsurugi
Joji Yanami
as Dr. Umon / Professor Yumi
Rihoko Yoshida
as Michiru Saotome
Hiroshi Ôtake
as Boss
Kosei Tomita
as Dr. Saotome
