Clay O'Brien
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Acted in
The Whiz Kid and the Carnival Caper
1976
Mackintosh and T.J.
1975
as T.J.
The Apple Dumpling Gang
1975
as Bobby Bradley
Little House on the Prairie
1974
The Cowboys
1974
as Weedy
Hog Wild
1974
as Sterling Melborne
The Whiz Kid and the Mystery at Riverton
1974
as Shoie
Cahill: United States Marshal
1973
as Billy Joe Cahill
One Little Indian
1973
as Mark
Climb an Angry Mountain
1972
as Michael Cooper
The Cowboys
1972
as Cowboy Hardy Fimps
The Breaking of Boys and the Making of Men in 'The Cowboys'
1972
Marcus Welby, M.D.
1969
as Peter Graham
Gunsmoke
1955
as Tuttle Kincaid
Gunsmoke
1955
as Caleb Cunningham