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