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

(1976)
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Cast

Akira Kamiya

Ryo Nagare

Hiroya Ishimaru

Kôji Kabuto

Keaton Yamada

Hayato Jin

Kei Tomiyama

Daisuke Umon / Duke Fleed

Keiichi Noda

Tetsuya Tsurugi

Joji Yanami

Dr. Umon / Professor Yumi

Rihoko Yoshida

Michiru Saotome

Kosei Tomita

Dr. Saotome

Crew

Go Nagai

Writing

Chiaki Imada

Production

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