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.
Filmography (17)
The Dark and the Wicked
as Priest
City of Lies
as Edwards
Proud Mary
as Uncle
Solace
as Mr. Ellis
Son of Batman
as Dr. Kirk Langstrom (voice)
Seeking Justice
as Lieutenant Durgan
Kick-Ass
as Detective Gigante
Superman/Batman: Public Enemies
as Captain Atom (voice)
Seraphim Falls
as Railroad Foreman
Shanghai Noon
as Nathan Van Cleef
Universal Soldier: The Return
as Dr. Dylan Cotner
Gattaca
as Dr. Lamar
Air Force One
as Agent Gibbs
Apollo 13
as Henry Hurt
Candyman
as Trevor Lyle
Terminator 2: Judgment Day
as Todd Voight
The Rookie
as Blackwell