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.
Acting
TV
The Walking Dead
as Gregory
2010
Movie
Terminator 2: Judgment Day
as Todd Voight
1991
Movie
Kick-Ass
as Detective Gigante
2010
Movie
Taken
as Stuart St. John
2008
TV
The Mandalorian
as Gilad Pellaeon
2019
Movie
Heat
as Ralph
1995
Movie
Allegiant
as Phillip
2016
Movie
Gattaca
as Dr. Lamar
1997
Movie
Apollo 13
as Henry Hurt
1995
Movie
Transcendence
as Dr. Thomas Casey
2014
Movie
The Rock
as Lonner (uncredited)
1996
TV
Supergirl
as Peter Lockwood
2015
Movie
Fracture
as Judge Moran
2007
TV
The Mentalist
as Sheriff Thomas McAllister
2008
Movie
A Few Good Men
as Capt. Whitaker
1992
TV
Criminal Minds
as Det. Hyde
2005
TV
The X-Files
as Dr. Hodge
1993
TV
Bones
as Dr. Bancroft
2005
Movie
Air Force One
as Agent Gibbs
1997
Movie
Shanghai Noon
as Nathan Van Cleef
2000
Movie
Solace
as Mr. Ellis
2015
Movie
Faster
as Sergeant Mallory
2010
Movie
Year One
as King
2009
Movie
Candyman
as Trevor Lyle
1992
