Dan Hildebrand is a British actor best-known for playing the roles of Tim Driscoll (in the first season) and Shaughnessy (in the third) on the HBO series Deadwood, as well as the role of Sean Casey on Sons of Anarchy.
On Game of Thrones Hildebrand will be playing the role of Kraznys mo Nakloz. He was announced in the role on 18 August 2012[1].