The Secret of Lost Valley (1980)
While on a family outing, a boy, Adam, gets lost in the forest and discovers a wild boy there. Communicating by sign language, they become friends. When the wild boy is captured by scientists, Adam helps him escape.
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Cast
Gary Collins
as Ned Harkness
Gary Collins was an American film and television actor and award-winning talk show host..
Mary Ann Mobley
as Susan Harkness
From Wikipedia, the free encyclopedia.
Mary Ann Mobley (February 17, 1937 – December 9, 2014) was an American actress, television personality, and Miss America 1959. Description above from the Wikip...
Brad Savage
as Adam Harkness
Jackson Bostwick
as Cal
John Lupton
as Detective
From Wikipedia, the free encyclopedia.
John Rollin Lupton (August 23, 1928 - November 3, 1993) was an American film and television actor.
Upon graduation from New York's American Academy of Dramatic...
Tom Simcox
as Chief Ranger
Director
Vic Morrow