Overview
An alien vessel manages to break the earth defense systems. Captain Layton is sent to investigate and find the invaders. Together with friends from the planet Ganymed he discovers the enemies in a hidden underground city on earth.
Cast
Captain Mike Layton
Diane Greene
Colonel Dawson
Dr. Helen Parker
Frank Bimble
Lt. Vassilov
Captain Connolly
Professor Burton
Replicant
Herman Wesson
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