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Clay O'Brien

Best known for playing Billy Joe Cahill in Cahill: United States Marshal

Showing credits as

9 films4 shows

Cowboy Hardy Fimps · 1972

7.1Flick0.0You

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The Apple Dumpling Gang

Bobby Bradley · 1975

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Cahill: United States Marshal

Billy Joe Cahill · 1973

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Climb an Angry Mountain

Michael Cooper · 1972

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Tuttle Kincaid · 1955

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Sterling Melborne · 1974

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Little House on the Prairie

Henry Henderson · 1974

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Mackintosh and T.J.

T.J. · 1975

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Marcus Welby, M.D.

Peter Graham · 1969

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One Little Indian

Mark · 1973

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Weedy · 1974

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The Whiz Kid and the Carnival Caper

1976

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The Whiz Kid and the Mystery at Riverton

Shoie · 1974

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