Theodore Tillman Shackelford III (born June 23, 1946) 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).
2007
2005
as Commissioner Donald Hallows
2003
as Stewart (uncredited)
2003
as Dr. Ben Logan
2003
as Chief Bogen
2002
as Captain O'Kelly
2002
as Eddie
2001
as Emmett Parker
2001
1997
as Gary Ewing
1997
1996
as Barry Simmons
1996
1996
as Les Larson
1995
as High Secretary Paul Kohler
1994
as Lieutenant Patrick Brogan
1994
as Joel Redding
1994
as Jacob 'Jake' Hansen
1993
as Mark Gage
1993
as Jim Matthews
1993
as John Hix
1991
as John Hix
1991
1990
as Paul Royce
1987
as Boone
1985
as Garret / Jason Cook
1985
as Fr. Mark Cassidy
1984
as Mark Stafford
1984
as Carlisle
1982
1982
as Richard Anderson
1981
as Delbert Ramsey
1979
as Gary Ewing
1979
as Barnes
1978
as Brian Klosky
1978
as Gary Ewing
1978
as Blain
1977
1977
1977
1976
1975
as Adam Clement
1974
as Eric Genther