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Russ Tamblyn, Kumi Mizuno, Kenji Sahara, Nobuo Nakamura, Jun Tazaki, Hisaya Itô, Yoshifumi Tajima, Ren Yamamoto, Kipp Hamilton, Kôzô Nomura, Nadao Kirino, Shôichi Hirose, Tadashi Okabe, Kôji Uno, Ikio Sawamura
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...