Graham McTavish is a Scottish television, film, and voice actor from Glasgow, Scotland. He started his acting career playing numerous leading roles in plays such as Hamlet, Death of a Salesman, and Four Nights in Knaresborough in theatres throughout the U.K. Graham's first television appearance was playing Ned in Treasure Island in the first episode. He made his movie debut as a lieutenant in the movie, For Queen and Country, starring Denzel Washington in 1989. Soon after, Graham played supporting roles in several British dramas and films such as Casualty, Jekyll, The Bill, and Sisterhood. He is an accomplished swordsman and horseman, which won him the role of Lewis, the mercenary, in Sylvester Stallone's Rambo, when he moved to the United States in 2007. As a voice actor, Graham voiced the villain, Loki, in Hulk vs Thor and The Avengers: Earth's Mightiest Heroes. In 2012, he was chosen to play the role of Dwalin in Peter Jackson's two-part epic fantasy film, The Hobbit.