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

6.0

1976•31m

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

Production

Production

Trailers & Videos

Thumbnail for video: Grendizer, Getter Robo G, Great Mazinger: Decisive Battle! Great Sea Beast (1976) - Trailer

Grendizer, Getter Robo G, Great Mazinger: Decisive Battle! Great Sea Beast (1976) - Trailer

Cast

Photo of Akira Kamiya

Akira Kamiya

Ryo Nagare

Photo of Hiroya Ishimaru

Hiroya Ishimaru

Kôji Kabuto

Photo of Keaton Yamada

Keaton Yamada

Hayato Jin

Photo of Kei Tomiyama

Kei Tomiyama

Daisuke Umon / Duke Fleed

Photo of Keiichi Noda

Keiichi Noda

Tetsuya Tsurugi

Photo of Joji Yanami

Joji Yanami

Dr. Umon / Professor Yumi

Photo of Rihoko Yoshida

Rihoko Yoshida

Michiru Saotome

Photo of Hiroshi Otake

Hiroshi Otake

Boss

Photo of Kosei Tomita

Kosei Tomita

Dr. Saotome

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