A human scientist capable of living underwater discovers similar alien life inhabiting human bodies, and looks to them for a clue to his origin.

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Main Cast: Patrick Duffy, Belinda Montgomery, Kenneth Tigar, Alan Fudge, Tiffany Bolling, Annette Charles, Burr DeBenning, Stanley Bennett Clay, Alan Mandell, Hank Stohl

Director: Marc Daniels

Writer: Robert Lewin

Editors: John Farrell, Gary Griffin

Cinematographer: Héctor R. Figueroa

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