Daniel Boone) in Climb an Angry Mountain (1972), James Garner (Maverick) in One Little Indian (1973), and Roy Rogers in Mackintosh and T.J. (1975). Plus gay-vague "confirmed bachelor" Bill Bixby in The Apple Dumpling Gang (1975).
For some reason, he was asked to appear semi-nude a lot.
Meanwhile Disney, which was still reeling from the stigma of the Tommy Kirk's outing, tried to revive the "teen genius" genre with preteens. In The Whiz Kid and the Mystery at Riverton (1974), based on the Alvin Fernald books by Clifford Hicks, Magnificent Brain Alvin ( Christopher Shea, the original voice of Linus in the Peanuts animated specials) solves the mystery with the help of his best friend Shooie (Clay), the Greatest Athlete in the World. The characters returned in The Whiz Kid and the Carnival Caper (1976).
Clay retired from acting during adolescence. He became a cowboy in real life, a respected rodeo performer who has won seven world titles in team roping. He is married with children.