Based on the bestselling fantasy book series A Song of Ice and Fire by George R. R. Martin, HBO's Game of Thrones concluded its 10-episode fifth season in June and will begin filming its sixth season this summer. The series, executive produced and written by David Benioff and D.B. Weiss, is an epic story of treachery and nobility, set on the continent of Westeros, where summers and winters can last years. Panelists include (in alphabetical order) Alfie Allen as Theon Greyjoy/Reek, John Bradley as Samwell Tarly, Gwendoline Christie as Brienne of Tarth, Liam Cunningham as Davos Seaworth, Natalie Dormer as Margaery Tyrell, Conleth Hill as Varys, David Nutter (director), Hannah Murray as Gilly, Carolyn Strauss (executive producer), Sophie Turner as Sansa Stark, Carice van Houten as Melisandre, and Maisie Williams as Arya Stark.