Acting
Xander Berkeley
Dec 16, 1955 (70 years) 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.
Known for
8.1
The Walking Dead
Gregory
8.4
The Mentalist
Sheriff Thomas McAllister
8.3
Criminal Minds
Det. Hyde
8.2
Bones
Dr. Bancroft
8.4
The Mandalorian
Gilad Pellaeon
8.4
The X-Files
Dr. Hodge
8.2
Terminator 2: Judgment Day
Todd Voight
7.6
CSI: Crime Scene Investigation
Rory Atwater
7.3
Law & Order
Clay Pollack
7.3
Supergirl
Peter Lockwood
7.8
24
George Mason
7.4
Taken
Stuart St. John
7.9
Heat
Ralph
7.1
Kick-Ass
Detective Gigante
7.6
Gattaca
Dr. Lamar
Filmography
7.3
Star Wars: Tales of the Empire
2024 · Gilad Pellaeon (voice)
6.9
Rust
2024 · Blackburn
5.9
Butcher's Crossing
2023 · Charlie Hoge
7.6
FBI: Most Wanted
2020 · Maurice Hewitt
6.1
The Dark and the Wicked
2020 · Priest
8.4
The Mandalorian
2019 · Gilad Pellaeon
7.0
Truth Be Told
2019 · Lee Hackman
6.3
City of Lies
2018 · Edwards
5.5
Proud Mary
2018 · Uncle
6.1
Allegiant
2016 · Phillip
7.3
MacGyver
2016 · General John Acosta
7.1
Bull
2016 · Judge Hollingsworth
7.3
Supergirl
2015 · Peter Lockwood
7.4
12 Monkeys
2015 · Jonathan Foster
6.4
Solace
2015 · Mr. Ellis
6.8
Zoo
2015 · Ronnie 'Dogstick' Brannigan
6.1
Transcendence
2014 · Dr. Thomas Casey
7.3
Salem
2014 · Magistrat Hale
7.1
Son of Batman
2014 · Dr. Kirk Langstrom (voice)
7.3
Beware the Batman
2013 · Manhunter / Paul Kirk (voice)
7.7
Longmire
2012 · Jeremiah Rains
5.9
Seeking Justice
2011 · Lieutenant Durgan
7.0
Being Human
2011 · Liam McClean
8.1
The Walking Dead
2010 · Gregory
7.1
Kick-Ass
2010 · Detective Gigante
8.0
Justified
2010 · Charles Monroe
8.2
Ben 10: Ultimate Alien
2010 · Warden Morgg / Trukk (voice)
7.3
Nikita
2010 · Percy Rose
6.4
Faster
2010 · Sergeant Mallory
5.0
Year One
2009 · King