Clay O'Brien
Known for
- Little House on the Prairie (1974)
- Marcus Welby, M.D. (1969)
- Gunsmoke (1955)
- Gunsmoke (1955)
- The Cowboys (1972)
- The Apple Dumpling Gang (1975)
- Cahill: United States Marshal (1973)
- One Little Indian (1973)
- Mackintosh and T.J. (1975)
- Hog Wild (1974)
- Climb an Angry Mountain (1972)
- The Whiz Kid and the Carnival Caper (1976)