
Xander Berkeley
Born
1955-12-16
Place of birth
Brooklyn, New York City, New York, USA
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 Walking Dead
Gregory

Terminator 2: Judgment Day
Todd Voight

Kick-Ass
Detective Gigante

Taken
Stuart St. John

The Mandalorian
Gilad Pellaeon

Heat
Ralph

Allegiant
Phillip

Gattaca
Dr. Lamar

Apollo 13
Henry Hurt

Transcendence
Dr. Thomas Casey

The Rock
Lonner (uncredited)

Supergirl
Peter Lockwood

Fracture
Judge Moran

The Mentalist
Sheriff Thomas McAllister

A Few Good Men
Capt. Whitaker