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