Theodore Tillman Shackelford III is an American actor, known for his roles on television. He played Gary Ewing in the CBS prime time soap operas Dallas and its spin-off Knots Landing (1979–1993), and had a recurring role portraying twin brothers William and Jeffrey Bardwell on the CBS daytime soap opera, The Young and the Restless (2006—2015).
- Occupation
- stage actor, film actor, television actor, screenwriter
- Citizenship
- United States
- Born
- June 23, 1946
