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