Cast & creator
Xander Berkeley
Best known for The Mentalist, Law & Order, CSI: Crime Scene Investigation
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.
Also known as: Alexander Harper Berkeley , Xander Berkely , Xander Berkley, Xander Harper Berkeley
145
film credits
83
television credits
227
1972–2026 · acting roles
6.5
average across scored titles
Signature credits
Known for
Across film & television
Filmography (228)
Showing 228 of 228 credits
The Mentalist
Sheriff Thomas McAllister
2008
Law & Order
Clay Pollack
1990
CSI: Crime Scene Investigation
Rory Atwater
2000
Criminal Minds
Det. Hyde
2005
Bones
Dr. Bancroft
2005
Law & Order: Criminal Intent
George Pagolis
2001
24
George Mason
2001
The Walking Dead
Gregory
2010
The X-Files
Dr. Hodge
1993
The West Wing
Franklin Hollis
1999
The Closer
Detective Curt Landry
2005
FBI: Most Wanted
Maurice Hewitt
2020
Batman: The Brave and the Bold
Sinestro (voice)
2008
Medium
Mitchell Slocombe
2005
The Outer Limits
Terry McCammon
1995
ER
Detective Wilson
1994
M*A*S*H
Marine
1972
Falcon Crest
Buzz Whitehead
1981
Supergirl
Peter Lockwood
2015
Boston Legal
A.D.A. Rex Swarthmore
2004
Miami Vice
Tommy Lowell
1984
The A-Team
Baker
1983The A-Team
Sergeant Wilson
1983
The Mandalorian
Gilad Pellaeon
2019
MacGyver
General John Acosta
2016
Bull
Judge Hollingsworth
2016
The Batman
Paul (voice)
2004
Nash Bridges
Neil Wojak
1996
Longmire
Jeremiah Rains
2012
Justified
Charles Monroe
2010
The Twilight Zone
(segment "Take My Life...Please!")
1985
Cagney & Lacey
Maurice
1982
Hart to Hart
Christopher Hawks
1979
The Incredible Hulk
Tom
1977
Terminator 2: Judgment Day
Todd Voight
1991
Superman: The Animated Series
Sgt. Corey Mills (voice)
1996
Remington Steele
Dan Kowalski
1982
The Wild Thornberrys
Barking Deer #2 (voice)
1998The Wild Thornberrys
Stoat (voice)
1998
Batman Beyond
Dr. Childes (voice)
1999
Moonlighting
Scalper
1985
12 Monkeys
Jonathan Foster
2015
Duckman
Hans (voice)
1994
Gargoyles
Iago (Voice)
1994Gargoyles
Coldsteel (Voice)
1994
Teen Titans
Mento / General Immortus (voice)
2003Teen Titans
Warp (voice)
2003
Nikita
Percy Rose
2010
Ben 10: Ultimate Alien
Warden Morgg / Trukk (voice)
2010
The Twilight Zone
Harry Kellogg
2002
New York Undercover
Dr Carl Weschler
1994
Wiseguy
Ray Spiotta
1987
Zoo
Ronnie 'Dogstick' Brannigan
2015
Truth Be Told
Lee Hackman
2019
Jericho
John Smith (uncredited)
2006Jericho
John Smith (voice)
2006
Being Human
Liam McClean
2011Being Human
Liam McLean
2011
Heat
Ralph
1995
Justice League
General Brak / Soldier (voice)
2001Justice League
General Brak / Dignitary / Soldier (voice)
2001
NTSF:SD:SUV::
Theodore Dent
2011
The Adventures of Brisco County, Jr.
Brett Bones
1993
The Tick
Octopaganini (voice)
1994
Taken
Stuart St. John
2008
Salem
Magistrat Hale
2014
Kick-Ass
Detective Gigante
2010
Beware the Batman
Manhunter / Paul Kirk (voice)
2013
A Few Good Men
Capt. Whitaker
1992
Extreme Ghostbusters
1997
The Rock
Lonner (uncredited)
1996
Super Force
Dr. Landru
1990
Riptide
Taxi Driver
1984
Life with Louie
Pro Shop Cashier (voice)
1995
Apollo 13
Henry Hurt
1995
Gattaca
Dr. Lamar
1997
Allegiant
Phillip
2016
Star Wars: Tales of the Empire
Gilad Pellaeon (voice)
2024
Air Force One
Agent Gibbs
1997
Shanghai Noon
Nathan Van Cleef
2000
Fracture
Judge Moran
2007
Grand
Jeffrey
1990
Solace
Mr. Ellis
2015
Good Advice
Bernard
1993
The Rookie
Blackwell
1990
Faster
Sergeant Mallory
2010
Transcendence
Dr. Thomas Casey
2014
Tales of the Gold Monkey
Eric Fromby
1982
The Legend of Calamity Jane
Additional Voices (voice)
1997
Leaving Las Vegas
Cynical Cabbie
1995
Year One
King
2009
North Country
Arlen Pavich
2005
Women: Stories of Passion
Jimbo
1996
Partners
Christophe Nnngaarzh
1995
Candyman
Trevor Lyle
1992
City of Lies
Edwards
2018
Son of Batman
Dr. Kirk Langstrom (voice)
2014
The Court
Keith Nolan
2002
The Booth at the End
The Man
2011
The Dark and the Wicked
Priest
2020
Universal Soldier: The Return
Dr. Dylan Cotner
1999
Butcher's Crossing
Charlie Hoge
2023
Internal Affairs
Rudy Mohr
1990
Karen Sisco
Alvin Simmons
2003
Going to California
Clay Shelton
2001
Seeking Justice
Lieutenant Durgan
2011
Seraphim Falls
Railroad Foreman
2007
Breast Men
Male Interviewer (voice)
1997
Barb Wire
Alexander Willis
1996
Superman/Batman: Public Enemies
Captain Atom (voice)
2009
Dead Talk Live
Self - Guest
2020
Rust
Blackburn
2024
Reagan
George Schultz
2024
100 Scariest Movie Moments
Self
2004
Mommie Dearest
Christopher Crawford
1981
Sid and Nancy
Bowery Snax
1986
Poison Ivy 2: Lily
Donald Falk
1996
Bulletproof
Gentry
1996
In Enemy Hands
Admiral Kentz
2004
Billy Bathgate
Harvey Preston
1991
The Man from Elysian Fields
Virgil Koster
2001
If These Walls Could Talk
John Barrows
1996
The Fabulous Baker Boys
Lloyd
1989
L.A. Takedown
Waingro
1989
One Night Stand
Charlie's Friend
1997
Attack of the 50 Ft. Woman
Second Man
1994
The Guardian
Detective
1990
For the Boys
Roberts, Vietnam
1991
Girl Walks Into a Bar
Moe
2011
The Grifters
Lt. Pierson
1990
Safe
Greg
1995
Standing Still
Jonathan
2005
Proud Mary
Uncle
2018
Drop Dead Sexy
Harkness
2005
Women in Trouble
Mr. Frost
2009
Netforce
Bo Tyler
1999
Storytelling
Mr. DeMarco
2001
Volunteers
Kent Sutcliffe
1985
Roswell
Sherman Carson
1994
Phoenix
Lt. Clyde Webber
1998
A Family Thing
Sunburned Man
1996
Walker
Byron Cole
1987
NetForce
Bo Tyler
1999
The Last of the Finest
Fast Eddie
1990
Luster
Detective Carter
2010
The Verne Miller Story
Cardogan
1988
Short Time
Stark
1990
Persons Unknown
Tosh
1996
Straight to Hell
Preacher McMahon
1987
Donato and Daughter
Russ Loring
1993
Magma: Volcanic Disaster
Peter Shepherd
2006
Tapeheads
Ricky Fell
1988
Five
Peter
2011
Timecode
Evan Wantz
2000Day One
Dillinger
Harry Copeland
1991
Inside
H1ghway_man
2011
It's Nothing Personal
James Blakemore
1993
Shot
Dr. Roberts
2017
The Wall of Mexico
Michael Rand
2020
Winchell
Gavreau
1998
Oddities
2026The Truth About Juliet
George
1998
Tag: The Assassination Game
Connally
1982
The Gun in Betty Lou's Handbag
Marchat
1992
Apollo 11: First Steps on the Moon
Buzz Aldrin
1996
Relapse
Seymour
Fire on the Mountain
1981
Tales of Everyday Magic
Peter Keller
2012
Murder in High Places
Wayne
1991
Small Time
Chick
2014
Live at the Foxes Den
Kenneth
2013
Not of This World
Bruce MacNamara
1991
Deadly Dreams
Jack Torme
1988
The Ghost Trap
Maynard
2024
Louder Than Words
Dr. Lansen
2013
Deadly Matrimony
Kozolowski
1992
Heightened
Gordon
2023
Within the Rock
Ryan
1996
This Last Lonely Place
Frank Devore
2014
The Cherry Orchard
Yepihodov
1999
Quicksand
Joey Patterson
2003
The Last Full Measure
2004
That Guy... Who Was in That Thing
Self
2012
The Fifteen Minute Hamlet
Shakespeare
1995
A Kidnapping in the Family
Curtis Harrison
1996
Deepwater
Gus
2005
For Hope
Date #4 (uncredited)
1996
Out There
Uncle Doug
2006
Alchemy of the Spirit
Oliver
2022
A Private Matter
Peter Zenner
1992
Repo Chick
Father De La Chasse
2009
China: The Panda Adventure
Dakar Johnston
2001
The Killing Jar
Danny “Figaretto” Evans
1997
The Maestro
Mario Castelnuovo-Tedesco
2018
Bedrooms
Harry
2010
Pony
Uncle Jeff
2014
Driven
J.D. Johnson
1998
Caroline at Midnight
Joey Szabo
1994
No Address
Harris
2025
Schindler Space Architect
Frank Lloyd Wright (voice)
2024
Below the Beltway
McMahon
2010
Moments of Clarity
Artemis
2016A Great Depression
Omega Syndrome
Yo-Yo
1986
Born Guilty
Mr. Milk
2017
Americans with No Address
Self
2024Path Lights
Father
Amistad
Hammond
1997
The Lawless Land
Ez Andy
1988
Inside the Box
Fred O'Brien
2009
The Gumshoe Kid
Monty Griswold
1990
The Audition
Joel
2022
Sparks
Sid Harris
2009
The Keys
Harold
1992
The Assassin
John Patrick Earl
1990
The Third Date
Tommy Tulip
2003
The Toe Tactic
Dad
2009
Cook County
Sonny
2009Cook County
Producer
2009
Dark Harbor
Priest James
2019
ETXR
Gordon Shafer
2014The Garage
Doc Ruppert
2006
Saving Black Bear
Skip
2026
Recluse
2026Paradise: Disturbed
The Gift
Forrest Bobo
2015