Alexander "Xander" Harper Berkeley (born December 16, 1955) is an American actor. He plays Liam McLean on the north american version of Being Human.
Berkeley was born in Brooklyn, New York, but has lived most of his life in New Jersey. He attended Hampshire College and worked in the theaters at the five college system which Hampshire was a part of, including Smith, Mount Holyoke, Amherst, and the University of Massachussets. Berkeley worked in the Regional and Repertory Theaters in addition to Off Broadway while living in New York. A play written by Reynolds Price called Early Dark had such a cinematic feel to it, that an agent saw the acting potential in Berkeley and encouraged him to make the move out west.