88 minutos
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.
Russ Tamblyn
Dr. Paul Stewart
Kumi Mizuno
Akemi
Kenji Sahara
Dr. Yuzo Majida
Nobuo Nakamura
Dr. Kita
Jun Tazaki
General
Hisaya Ito
Police Chief
Yoshifumi Tajima
Police Officer
Ren Yamamoto
Sailor
Kipp Hamilton
Singer
Kōzō Nomura
General's Aide
Nadao Kirino
Soldier
Shōichi Hirose
Soldier
Tadashi Okabe
Defiant Reporter
Hideo Shibuya
Skeptical Reporter
Ikio Sawamura
Fisherman #1
Seishirō Kuno
Fisherman #2
Someshō Matsumoto
Official
Gorō Mutsumi
Dr. Paul Stewart (voice)
Haruo Nakajima
Gaira
Yû Sekita
Sanda
Yū Fujiki
(uncredited)
