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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Cast
Patrick Duffy
Mark Harris
Belinda Montgomery
Dr. Elizabeth Merrill
Kenneth Tigar
Dr. Miller Simon
Alan Fudge
C.W. Crawford
Tiffany Bolling
Lioa / Dilly
Annette Charles
Ginny Mendoza
Burr DeBenning
Xos / Chazz
Stanley Bennett Clay
Boy
Alan Mandell
Grant Stockwood
Hank Stohl
Sub Captain Wes
Russell Arms
Medical Examiner
Arch Archambault
Second Officer
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