'Game of Thrones' Season 3 Poster Debuts (Photo)

Game of Thrones Season 3 Poster - P 2012

Game of Thrones is back with a new poster for its third season.

The HBO series, based on George R.R. Martin’s A Song of Ice and Fire books, is returning March 31 with a slew of new castmembers, including Diana Rigg (who played Emma Peel on the 1960s Avengers TV show) as Olenna Tyrell, Mackenzie Crook (the British version of The Office) as wildling raider Orell and Coldplay drummer Will Champion in a guest role.

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Series creators David Benioff and D.B. Weiss have indicated the season will tackle about half of the material in A Storm of Swords, the lengthy third installment of Martin’s series, with the other half to be covered in a later season.