Stroma will play Dickon Tarly, brother of Samwell (John Bradley), in the HBO series’ upcoming season. We’re expected to meet the rest of Sam’s family, including his father, the ruthless Randyll Tarly, when the show returns in 2016.
In addition to his breakout role as Adam Cromwell on the Lifetime drama — which has already been renewed for a second season — Stroma is best known for playing Cormac McLaggen in the “Harry Potter” franchise.
Stroma joins previously announced season six additions including Pilou Asbæk as Euron Greyjoy, Ian McShane in an unspecified role, and Max von Sydow as the Three-Eyed Raven, taking over the role of Bran Stark’s (Isaac Hempstead Wright) mentor.
“Thrones” leads this year’s Emmy race with 24 nominations, including nods for four of its stars: supporting actor in a drama nominee Peter Dinklage, supporting actress in a drama nominees Emilia Clarke and Lena Headey, and guest actress in a drama contender Diana Rigg.
The series also earned a Guinness World Record for largest TV drama simulcast after its fifth season premiere aired in 173 countries simultaneously.