A Welsh film and stage actor. Having worked with screenwriter Peter Morgan on five films, Sheen has become known for his portrayals of well-known public figures: Tony Blair in The Deal, The Queen and The Special Relationship, David Frost in the stage production and film version of Frost/Nixon, and Brian Clough in The Damned United. He also played the Lycan Lucian in all three of the Underworld films, the vampire Aro in The Twilight Saga: New Moon, and more recently, the role of Castor in Tron: Legacy.