game of thrones 3 update

Three new cast members have joined HBO for it's third season. They were announced at Comic-con 2012.

Dame Diana Rigg will play Olenna Tyrell - the matriarch of the Tyrell family. Mackenzie Crook (from The Office) will play wildling raider Orell and Tara Fitzgerald (Waking the Dead) will be Stannis Baratheon's wife Selyse Florent.

The show returns in the US on March 31st 2013.