
Actor
Xander Berkeley
Born 1955 · Brooklyn, New York City, New York, USA
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

The Walking Dead
Gregory · 2010

The Mandalorian
Gilad Pellaeon · 2019

Terminator 2: Judgment Day
Todd Voight · 1991

Heat
Ralph · 1995

The Mentalist
Sheriff Thomas McAllister · 2008

Taken
Stuart St. John · 2008

Criminal Minds
Det. Hyde · 2005

The X-Files
Dr. Hodge · 1993

Kick-Ass
Detective Gigante · 2010

Gattaca
Dr. Lamar · 1997

Bones
Dr. Bancroft · 2005

Apollo 13
Henry Hurt · 1995

A Few Good Men
Capt. Whitaker · 1992

The Rock
Lonner (uncredited) · 1996

Supergirl
Peter Lockwood · 2015

Fracture
Judge Moran · 2007

Teen Titans
Mento / General Immortus (voice) · 2003

24
George Mason · 2001

Ben 10: Ultimate Alien
Warden Morgg / Trukk (voice) · 2010

CSI: Crime Scene Investigation
Rory Atwater · 2000

Leaving Las Vegas
Cynical Cabbie · 1995

Allegiant
Phillip · 2016

Justified
Charles Monroe · 2010

ER
Detective Wilson · 1994