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Clay O'Brien
Acting
Born May 6, 1961 · Ray, Arizona, USA
Known For · 14 titles
Little House on the Prairie
1974
Gunsmoke
1955
Marcus Welby, M.D.
1969
The Cowboys
1972
The Cowboys
1974
Cahill: United States Marshal
1973
The Apple Dumpling Gang
1975
Hog Wild
1974
One Little Indian
1973
Climb an Angry Mountain
1972
Mackintosh and T.J.
1975
The Breaking of Boys and the Making of Men in 'The Cowboys'
1972
The Whiz Kid and the Mystery at Riverton
1974
The Whiz Kid and the Carnival Caper
1976