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 (30)
Rust
as Blackburn
Reagan
as George Schultz
Butcher's Crossing
as Charlie Hoge
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
Storytelling
as Mr. DeMarco
The Man from Elysian Fields
as Virgil Koster
Shanghai Noon
as Nathan Van Cleef
Timecode
as Evan Wantz
Universal Soldier: The Return
as Dr. Dylan Cotner
Gattaca
as Dr. Lamar
Air Force One
as Agent Gibbs
Barb Wire
as Alexander Willis
Poison Ivy 2: Lily
as Donald Falk
Apollo 13
as Henry Hurt
Safe
as Greg
Candyman
as Trevor Lyle
Terminator 2: Judgment Day
as Todd Voight
The Rookie
as Blackwell
Internal Affairs
as Rudy Mohr
The Fabulous Baker Boys
as Lloyd
L.A. Takedown
as Waingro
Sid and Nancy
as Bowery Snax