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.
as Woman X / Chikako Sugawara
as Kiyoko Ishikawa
as Mrs. Ishikawa
as Dr. Tom Wallace
as Dr. Yosuke Ishikawa
as Sea World Staff
as Margie Wallace
as Helen Wallace
as Keinichi Ishikawa
as Zigra (voice)
