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.
Actors: Gary Collins, Mary Ann Mobley, Brad Savage, Eddie Marquez, Jackson Bostwick, John Lupton, Tom Simcox, Barry Sullivan, James Almanzar, Don Brodie
Country: United States of America
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