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Overview

During WWII, a human heart taken from Dr. Frankenstein's lab and is kept in Japan where it gets exposed to the radiation of the bombing of Hiroshima. The heart grows in size, mutates and eventually becomes an indestuctable humanoid. Later, a reptilian monster goes on a rampage. Eventually the Frankenstein creature and the reptile face off in a terrible battle. An experimental lab animal called a gargantua escapes from his captors and is suspected to be the creature that is killing people all over the countryside. But when the gargantua from the lab appears at the same time as the evil gargantua, the two begin to battle across Japan.

  • Number of Movies: 2
  • Revenue: -

Featured Cast

  1. Kenji Sahara

    Kenji Sahara

    Dr. Yuzo Mamiya, Tadokoro, Bowen's assistant

  2. Tadao Takashima

    Tadao Takashima

    Dr. Yuzo Kawaji

  3. Kumi Mizuno

    Kumi Mizuno

    Akemi Togawa, Dr. Sueko Togami

  4. Nick Adams

    Nick Adams

    Dr. James Bowen

  5. Russ Tamblyn

    Russ Tamblyn

    Dr. Paul Stewart

  6. Jun Tazaki

    Jun Tazaki

    General Hashimoto, Hideo Nishi, Director of the Okayama Prefectural Police

  7. Yoshio Tsuchiya

    Yoshio Tsuchiya

    Daigo Kawai

  8. Koji Furuhata

    Frankenstein

  9. Kipp Hamilton

    Kipp Hamilton

    Singer

  10. Yoshifumi Tajima

    Yoshifumi Tajima

    Officer Hirai, Murata, Japanese Imperial Navy submarine captain

  11. Nobuo Nakamura

    Nobuo Nakamura

    Dr. Suga, Professor Kita

  12. Susumu Fujita

    Susumu Fujita

    Osaka Prefectural Police Chief

  13. Hisaya Ito

    Hisaya Ito

    Chief Izumida, Osaka Police Sergeant

  14. Takashi Shimura

    Takashi Shimura

    Hiroshima Army Hospital doctor

Featured Crew

  1. Ishirō Honda

    Ishirō Honda

    Directing, Writing

  2. Takeshi Kimura

    Takeshi Kimura

    Writing

During WWII, Germans obtain the immortal heart of Frankenstein's monster and transport it to Japan to prevent it being seized by the Allies. Kept in a Hiroshima laboratory, it is seeming lost when the United States destroys the city with the atomic bomb. Years later a wild boy is discovered wandering the streets of the city alone, born of the immortal heart.

Gaira, a humanoid sea beast spawned from the discarded cells of Frankenstein's monster, attacks the shores of Tokyo. While the Japanese military prepares to take action, Gaira's Gargantua brother, Sanda, descends from the mountains to defend his kin. A battle between good and evil ensues, leaving brothers divided and a city in ruins.

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