Overview

While covering a test of guided torpedoes, two reporters believe they see what appears to be a strange-looking swimming creature. They investigate the matter further and discover that there is a race of fish-men living under the sea. The fish-men capture the pair and keep them prisoner in their underwater city.

Cast

Sonny Chiba

Ken Abe

Peggy Neal

Jenny Gleason

N/A

Franz Gruber

Commander Brown

N/A

Andrew Hughes

N/A

Erik Neilson

Dr. Moore

N/A

Mike Daneen

Dr. Josef Heim

N/A

Beverly Keller

N/A

Gunther Braun

Submarine captain

N/A

Koji Miemachi

N/A

Tadashi Suganuma

Nishida

Hideo Murota

Henchman

N/A

Osamu Yamanouchi