Roy Dotrice, Hannah Murray Join HBO Series 'Game of Thrones'

Set to join the HBC series GAME OF THRONES, according to The Hollywood Reporter, are Roy Dotrice and Hannah Murray.

Dotrice (a Tony Award winner for 2001's A MOON FOR THE MISBEGOTTEN) and Murray ('Skins') join the previously announced Stephen Dillane, Tom Wlaschiha, and Gemma Whelan.

Based on the bestselling fantasy book series "A Song of Ice and Fire," by George R.R. Martin, GAME OF THRONES follows kings and queens, knights and renegades, liars and noblemen as they vie for power in a land where summers span decades and winters can last a lifetime.

The season one cast included Mark Addy, Alfie Allen, Sean Bean, Emilia Clarke, Nikolaj Coster-Waldau, Peter Dinklage, Michelle Fairley, Aidan Gillen, Jack Gleeson, Iain Glen, Kit Harington, Lena Headey, Isaac Hempstead-Wright, Harry Lloyd, Richard Madden, Rory McCann, Jason Momoa, Sophie Turner and Maisie Williams.

GAME OF THRONES is executive produced by David Benioff and D.B. Weiss; co-executive producers, Carolyn Strauss, Guymon Casady, Vince Gerardis, Ralph Vicinanza and George R.R. Martin; producers, Mark Huffam and Frank Doelger; directors of photography, Marco Pontecorvo, Alik Sakharov and Matt Jensen; production designer, Gemma Jackson; costume designer, Michele Clapton.