by Ours is the Fury

Season Finale Preview: “Valar Morghulis” by Ours is the Fury

This looks close to confirmed, although not officially. Kerry Ingram, a young English actor from Warfield (fitting!), has tweeted about getting a role on Game of Thrones. Darq(uemode) at SpoilerTV has some more details:

Update: Confirmation of the role via BerkshireARTsAcademy. Award acceptance speech video here.

Hear Me Roar: It has to be for the role of Shireen, daughter of Stannis Baratheon. Kerry has a more than solid pedigree, and a definite Nina Gold connection, so now we are just waiting for a confirmation.