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.
Gary Collins
as Ned Harkness
Mary Ann Mobley
as Susan Harkness
Brad Savage
as Adam Harkness
Eddie Marquez
as Zane
Jackson Bostwick
as Cal
John Lupton
as Detective
Tom Simcox
as Chief Ranger
Barry Sullivan
as Dr. Seldon
James Almanzar
as Dave
Don Brodie
as Camper
David Cadiente
as A-Voh
David S. Cass Sr.
as Donnie
