On screen
Cast
21 credited performers
Patrick Duffy
Mark Harris
Belinda Montgomery
Dr. Elizabeth Merrill
Kenneth Tigar
Dr. Miller Simon
Alan Fudge
C.W. Crawford
Darleen Carr
Dr. Mary Smith
Artwork unavailable
Dennis Redfield
Dick Stoneman
Artwork unavailable
Pamela Peters Solow
Jane
Fred Beir
Captain Bracy
Paul Mantee
FBI Agent Fuller
Artwork unavailable
Michael J. London
Cetacean Crewman
Arthur Batanides
Police Detective
Rick Goldman
Security Guard at Dock
Bob Minor
Minion
Artwork unavailable
Ric Drasin
Minion
Artwork unavailable
Frank Martone
Minion
Artwork unavailable
James Faracci
Minion
Artwork unavailable
Jim Morris
Minion
Ernie Hudson
Minion
Artwork unavailable
Tony Pearson
Minion
Julius LeFlore
Minion
Artwork unavailable
Jim Tarleton
Minion