Photo Flash: HBO Reveals Slew of GAME OF THRONES Season Four Character Posters!

HBO Tweeted a series of character posters yesterday in anticipation of the GAME OF THRONES season four premiere on Sunday, April 6 at 9 p.m. Check them out below!

Based on the popular book series "A Song of Ice and Fire," by George R.R. Martin, the hit Emmy-winning fantasy series chronicles an epic struggle for power in a vast and violent fantasy kingdom.

Members of the ensemble cast include Peter Dinklage, Lena Headey, Emilia Clarke, Nikolaj Coster-Waldau, Kit Harington, Natalie Dormer, Maisie Williams and Sophie Turner.

The executive producers are David Benioff, D.B. Weiss, Carolyn Strauss, Frank Doelger and Bernadette Caulfield, and co-executive producers are Guymon Casady, Vince Gerardis and George R.R. Martin.