HBO will keep Treme’s Michiel Huisman in-house when the actor moves from the final season of David Simon’s New Orleans series to season four of Game of Thrones. Huisman’s new role is shrouded in George R.R. Martin-esque secrecy for now, but speculation pegs him as Styr, “Magnar of Thenn, the wildling leader known for his muscular build and hairless body.†Huisman recently appeared on Nashville and in this summer’s World War Z; he was not hairless in either project.