Xander Berkeley
Alexander Harper Berkeley (born December 16, 1955) is an American actor. He is known for his television roles as Sheriff Thomas McAllister on the crime drama The Mentalist, George Mason on the political thriller series 24, Percy Rose on the action thriller series Nikita, the Man on The Booth At The End and Gregory in AMC's The Walking Dead. His notable film roles include Todd Voight in Terminator 2: Judgment Day, Agent Gibbs in Air Force One, Bowery Snax in Sid and Nancy, Dr. Lamar in Gattaca, Trevor Lyle in Candyman and Ralph in Heat.
Movies
Safe
1995
as Greg
Candyman
1992
as Trevor Lyle
Superman/Batman: Public Enemies
2009
as Captain Atom (voice)
Shanghai Noon
2000
as Nathan Van Cleef
Deepwater
2005
as Gus
Universal Soldier: The Return
1999
as Dr. Dylan Cotner
Barb Wire
1996
as Alexander Willis
Air Force One
1997
as Agent Gibbs
The Rookie
1990
as Blackwell
Apollo 13
1995
as Henry Hurt
Kick-Ass
2010
as Detective Gigante
Gattaca
1997
as Dr. Lamar
Taken
2008
as Stuart St. John
Fracture
2007
as Judge Moran
Year One
2009
as King
Terminator 2: Judgment Day
1991
as Todd Voight
North Country
2005
as Arlen Pavich
A Few Good Men
1992
as Capt. Whitaker
Faster
2010
as Sergeant Mallory
Internal Affairs
1990
as Rudy Mohr
Mommie Dearest
1981
as Christopher Crawford