Mark Harris (Patrick Duffy) the name given him has lost his memory. Found washed up on a beach he has gills like a fish and webbed hands and feet. We find he has super-human strength and can withstand deep-water pressures. Doctor Elizabeth Merrill (Belinda Montgomery) "nurses" him back to health and memory returns. He says he is from the Lost Continent of Atlantis!
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01x13 Deadly Carnival Aired: Jun. 06, 1978Mark infiltrates an ocean-side carnival – where a government agent was working before he was found mysteriously drowned – and foils a plot … [continue reading]
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Show's Cast / Crew
Directors
- Virgil W. Vogel (2 episodes)
- David Moessinger (2 episodes)
- Michael O'Herlihy (1 episodes)
Writers
- Larry Alexander (3 episodes)
- Luther Murdoch (3 episodes)
- Michael I. Wagner (2 episodes)
More Trivia
Series Fun Facts
- Patrick Duffy didn't own a swimsuit when he auditioned for the show; he had to audition in his one unripped pair of Fruit of the Loom briefs.
- Patrick Duffy had to shave his body to play Mark Harris. He originally used foam and a razor, saying he "took the longest showers you ever saw," but switched over to an electric shaver during…
[show]Patrick Duffy had to shave his body to play Mark Harris. He originally used foam and a razor, saying he "took the longest showers you ever saw," but switched over to an electric shaver during the show's run.
[hide] - Goof (revealing mistake): Support wires are visible above the submarine Cetacean depending on the angle of view. Also, when the sub surfaces or submerges in the ship's home base, rising…
[show]Goof (revealing mistake): Support wires are visible above the submarine Cetacean depending on the angle of view. Also, when the sub surfaces or submerges in the ship's home base, rising bubbles and surface waves reveal the actual size of the supposedly huge vessel.
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