Graham McTavish is a Scottish television and film actor, best known for his roles as Dougal Mackenzie in the popular TV series "Outlander" (2014-16), as Dwalin in the "The Hobbit" trilogy for Peter Jackson (2012-14) as well as the Saint of Killers in AMC's series "Preacher", based on Garth Ennis and Steve Dillon's cult comic book series (2016 ...