Clay O'Brien

Full filmography

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