Known for Acting
Birthday
December 16, 1955
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.

Law & Order

Bones

Criminal Minds

The X-Files

CSI: Crime Scene Investigation

The Walking Dead

The Mentalist

24

The Closer

Law & Order: Criminal Intent

The West Wing

The Mandalorian

ER

Supergirl

Miami Vice

Boston Legal

The A-Team

The A-Team

Medium

FBI: Most Wanted