Clay O'Brien
Known For
TV
Little House on the Prairie
1974
TV
Marcus Welby, M.D.
Peter Graham
1969
TV
Gunsmoke
Tuttle Kincaid
1955
TV
Gunsmoke
Caleb Cunningham
1955
Film
The Cowboys
Cowboy Hardy Fimps
1972
Film
Hog Wild
Sterling Melborne
1974
TV
The Cowboys
Weedy
1974
Film
Cahill: United States Marshal
Billy Joe Cahill
1973
Film
The Apple Dumpling Gang
Bobby Bradley
1975
Film
One Little Indian
Mark
1973
Film
The Whiz Kid and the Carnival Caper
1976
Film
The Whiz Kid and the Mystery at Riverton
Shoie
1974
Film
Mackintosh and T.J.
T.J.
1975
Film
Climb an Angry Mountain
Michael Cooper
1972
Film
The Breaking of Boys and the Making of Men in 'The Cowboys'
1972
Filmography
1976FilmThe Whiz Kid and the Carnival Caper1975FilmMackintosh and T.J.as T.J.1975FilmThe Apple Dumpling Gangas Bobby Bradley1974TVLittle House on the Prairie1974TVThe Cowboysas Weedy1974FilmHog Wildas Sterling Melborne1974FilmThe Whiz Kid and the Mystery at Rivertonas Shoie1973FilmCahill: United States Marshalas Billy Joe Cahill1973FilmOne Little Indianas Mark1972FilmClimb an Angry Mountainas Michael Cooper1972FilmThe Cowboysas Cowboy Hardy Fimps1972FilmThe Breaking of Boys and the Making of Men in 'The Cowboys'1969TVMarcus Welby, M.D.as Peter Graham1955TVGunsmokeas Tuttle Kincaid