
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.
Gallery


Known For
Acting History
2025
Legacy of Screams: The Evolution of Horror Movies as Self - (archive footage)
2025Rust as Blackburn
2025No Address as Harris
2024Americans with No Address as Self
2024Schindler Space Architect as Frank Lloyd Wright (voice)
2024Reagan as George Schultz
2024Star Wars: Tales of the Empire as Gilad Pellaeon (voice)
2024The Ghost Trap as Maynard
2023Heightened as Gordon
2023Butcher's Crossing as Charlie Hoge
2022The Audition as Joel
2022Alchemy of the Spirit as Oliver
2020The Wall of Mexico as Michael Rand
2020Dead Talk Live as Self - Guest
2020The Dark and the Wicked as Priest
2020FBI: Most Wanted as Maurice Hewitt
2019Truth Be Told as Lee Hackman
2019The Mandalorian as Gilad Pellaeon
2019Dark Harbor as Priest James
2018The Maestro as Mario Castelnuovo-Tedesco
2018City of Lies as Edwards
2018Proud Mary as Uncle
2017Shot as Dr. Roberts
2017Born Guilty as Mr. Milk
2016MacGyver as General John Acosta
2016Bull as Judge Hollingsworth
2016Moments of Clarity as Artemis
2016Allegiant as Phillip
2015Supergirl as Peter Lockwood
2015Solace as Mr. Ellis
2015Zoo as Ronnie 'Dogstick' Brannigan
2015The Gift as Forrest Bobo
201512 Monkeys as Jonathan Foster
2014Son of Batman as Dr. Kirk Langstrom (voice)
2014This Last Lonely Place as Frank Devore
2014Salem as Magistrat Hale
2014Small Time as Chick
2014Transcendence as Dr. Thomas Casey
2014Pony as Uncle Jeff
2013Live at the Foxes Den as Kenneth
2013Louder Than Words as Dr. Lansen
2013Beware the Batman as Manhunter / Paul Kirk (voice)
2012That Guy... Who Was in That Thing as Self
2012Longmire as Jeremiah Rains
2012Tales of Everyday Magic as Peter Keller
2011Five as Peter
2011Seeking Justice as Lieutenant Durgan
2011The Booth at the End as The Man
2011Girl Walks Into a Bar as Moe
2011Being Human as Liam McClean
2011Being Human as Liam McLean
2010Luster as Detective Carter
2010Faster as Sergeant Mallory
2010The Walking Dead as Gregory
2010Nikita as Percy Rose
2010Ben 10: Ultimate Alien as Warden Morgg / Trukk (voice)
2010Below the Beltway as McMahon
2010Kick-Ass as Detective Gigante
2010Justified as Charles Monroe
2010Bedrooms as Harry
2009Women in Trouble as Mr. Frost
2009Superman/Batman: Public Enemies as Captain Atom (voice)
2009Repo Chick as Father De La Chasse
2009Year One as King
2009Cook County as Sonny
2009The Toe Tactic as Dad
2009Sparks as Sid Harris
2009Inside the Box as Fred O'Brien
2008Batman: The Brave and the Bold as Sinestro (voice)
2008The Mentalist as Sheriff Thomas McAllister
2008Taken as Stuart St. John
2007Fracture as Judge Moran
2007Seraphim Falls as Railroad Foreman
2006The Garage as Doc Ruppert
2006Jericho as John Smith (uncredited)
2006Jericho as John Smith (voice)
2006Out There as Uncle Doug
2006Magma: Volcanic Disaster as Peter Shepherd
2005Criminal Minds as Det. Hyde
2005Bones as Dr. Bancroft
2005The Closer as Detective Curt Landry
2005Deepwater as Gus
2005Drop Dead Sexy as Harkness
2005North Country as Arlen Pavich
2005Medium as Mitchell Slocombe
2005Standing Still as Jonathan
2004100 Scariest Movie Moments as Self
2004Boston Legal as A.D.A. Rex Swarthmore
2004The Batman as Paul (voice)
2004The Last Full Measure
2004In Enemy Hands as Admiral Kentz
2003The Third Date as Tommy Tulip
2003Karen Sisco as Alvin Simmons
2003Teen Titans as Mento / General Immortus (voice)
2003Teen Titans as Warp (voice)
2003Quicksand as Joey Patterson
2002The Twilight Zone as Harry Kellogg
2002The Court as Keith Nolan
2001Justice League as General Brak / Soldier (voice)
2001Justice League as General Brak / Dignitary / Soldier (voice)
2001Storytelling as Mr. DeMarco
200124 as George Mason
2001Law & Order: Criminal Intent as George Pagolis
2001The Man from Elysian Fields as Virgil Koster
2001Going to California as Clay Shelton
2001China: The Panda Adventure as Dakar Johnston
2000CSI: Crime Scene Investigation as Rory Atwater
2000Shanghai Noon as Nathan Van Cleef
2000Timecode as Evan Wantz
1999The West Wing as Franklin Hollis
1999Universal Soldier: The Return as Dr. Dylan Cotner
1999NetForce as Bo Tyler
1999Netforce as Bo Tyler
1999Batman Beyond as Dr. Childes (voice)
1999The Cherry Orchard as Yepihodov
1998Winchell as Gavreau
1998Phoenix as Lt. Clyde Webber
1998The Wild Thornberrys as Barking Deer #2 (voice)
1998The Wild Thornberrys as Stoat (voice)
1998Driven as J.D. Johnson
1998The Truth About Juliet as George
1997Breast Men as Male Interviewer
1997Amistad as Hammond
1997One Night Stand as Charlie's Friend
1997The Legend of Calamity Jane as Additional Voices (voice)
1997Gattaca as Dr. Lamar
1997Extreme Ghostbusters
1997Air Force One as Agent Gibbs
1997The Killing Jar as Danny “Figaretto” Evans
1996Persons Unknown as Tosh
1996Apollo 11: First Steps on the Moon as Buzz Aldrin
1996For Hope as Date #4 (uncredited)
1996If These Walls Could Talk as John Barrows
1996Superman: The Animated Series as Sgt. Corey Mills (voice)
1996Bulletproof as Gentry
1996Women: Stories of Passion as Jimbo
1996Within the Rock as Ryan
1996The Rock as Lonner (uncredited)
1996Barb Wire as Alexander Willis
1996Poison Ivy 2: Lily as Donald Falk
1996Nash Bridges as Neil Wojak
1996A Family Thing as Sunburned Man
1996A Kidnapping in the Family as Curtis Harrison
1995Heat as Ralph
1995Leaving Las Vegas as Cynical Cabbie
1995Partners as Christophe Nnngaarzh
1995Apollo 13 as Henry Hurt
1995Safe as Greg
1995The Outer Limits as Terry McCammon
1995The Fifteen Minute Hamlet as Shakespeare
1994Life with Louie as Pro Shop Cashier (voice)
1994Gargoyles as Iago (Voice)
1994Gargoyles as Coldsteel (Voice)
1994Attack of the 50 Ft. Woman as Second Man
1994ER as Detective Wilson
1994The Tick as Octopaganini (voice)
1994New York Undercover as Dr Carl Weschler
1994Roswell as Sherman Carson
1994Duckman as Hans (voice)
1994Caroline at Midnight as Joey Szabo
1993Donato and Daughter as Russ Loring
1993The X-Files as Dr. Hodge
1993The Adventures of Brisco County, Jr. as Brett Bones
1993Good Advice as Bernard
1993It's Nothing Personal as James Blakemore
1992A Few Good Men as Capt. Whitaker
1992Deadly Matrimony as Kozolowski
1992Candyman as Trevor Lyle
1992The Gun in Betty Lou's Handbag as Marchat
1992A Private Matter as Peter Zenner
1992The Keys as Harold
1991For the Boys as Roberts, Vietnam
1991Billy Bathgate as Harvey Preston
1991Terminator 2: Judgment Day as Todd Voight
1991Murder in High Places as Wayne
1991Not of This World as Bruce MacNamara
1991Dillinger as Harry Copeland
1990The Rookie as Blackwell
1990Super Force as Dr Landru
1990Law & Order as Clay Pollack
1990The Grifters as Lt. Pierson
1990Short Time as Stark
1990The Guardian as Detective
1990The Last of the Finest as Fast Eddie
1990The Assassin as John Patrick Earl
1990The Gumshoe Kid as Monty Griswold
1990Grand as Jeffrey
1990Internal Affairs as Rudy Mohr
1989The Fabulous Baker Boys as Lloyd
1989L.A. Takedown as Waingro
1988Deadly Dreams as Jack Torme
1988Tapeheads as Ricky Fell
1988The Verne Miller Story as Cardogan
1988The Lawless Land as Ez Andy
1987Walker as Byron Cole
1987Wiseguy as Ray Spiotta
1987Straight to Hell as Preacher McMahon
1986Omega Syndrome as Yo-Yo
1986Sid and Nancy as Bowery Snax
1985The Twilight Zone as (segment "Take My Life...Please!")
1985Volunteers as Kent Sutcliffe
1985Moonlighting as Scalper
1984Miami Vice as Tommy Lowell
1984Riptide as Taxi Driver
1983The A-Team as Baker
1983The A-Team as Sergeant Wilson
1982Remington Steele as Dan Kowalski
1982Tales of the Gold Monkey as Eric Fromby
1982Tag: The Assassination Game as Connally
1982Cagney & Lacey as Maurice
1981Falcon Crest as Buzz Whitehead
1981Fire on the Mountain
1981Mommie Dearest as Christopher Crawford
1979Hart to Hart as Christopher Hawks
1977The Incredible Hulk as Tom
1972M*A*S*H as Marine
—Relapse as Seymour
—Oddities
—Day One
—Paradise: Disturbed
—Recluse









