Clay O'Brien

The Whiz Kid and the Carnival Caper 1976

Mackintosh and T.J. T.J. 1975

The Apple Dumpling Gang Bobby Bradley 1975

Little House on the Prairie Henry Henderson 1974

The Cowboys Weedy 1974

Hog Wild Sterling Melborne 1974

The Whiz Kid and the Mystery at Riverton Shoie 1974

Cahill: United States Marshal Billy Joe Cahill 1973

One Little Indian Mark 1973

Climb an Angry Mountain Michael Cooper 1972

The Cowboys Cowboy Hardy Fimps 1972

The Breaking of Boys and the Making of Men in 'The Cowboys' 1972

Marcus Welby, M.D. Peter Graham 1969

Gunsmoke Tuttle Kincaid 1955

Gunsmoke Caleb Cunningham 1955