Grendizer, Getter Robo G, Great Mazinger: Decisive Battle! The Great Sea Monster (1976)

Cast (9)

• 

  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

• 

  Hiroshi Ôtake

  Boss

• 

  Kosei Tomita

  Dr. Saotome