A moon base is destroyed by a spaceship from Zigra which is looking to take over the planet earth to use its oceans for its ocean-dwelling denizens. Gamera must once again come to the aid of the human race while all of Japan roots him on.
Eiko Yanami
Reiko Kasahara
Mikiko Tsubouchi
Kōji Fujiyama
Isamu Saeki
Shin Minatsu
Arlene Zoellner
Gloria Zoellner
Yasushi Sakagami
Keiichi Noda