Grendizer, Getter Robo G, Great Mazinger: Decisive Battle! The Great Sea Monster

The story

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 & crew

Akira KamiyaRyo Nagare

Hiroya IshimaruKôji Kabuto

Keaton YamadaHayato Jin

Kei Tomiyama

Kei TomiyamaDaisuke Umon / Duke Fleed

Keiichi NodaTetsuya Tsurugi

Joji YanamiDr. Umon / Professor Yumi

Rihoko YoshidaMichiru Saotome

Hiroshi OtakeBoss

Kosei TomitaDr. Saotome