Photo Flash: First Look - Images from GAME OF THRONES 'Mockingbird' Episode

Below, check out photos from this Sunday's episode of HBO's GAME OF THRONES, titled "Mockingbird." The episode airs Sunday, May 18th at 9/8c.

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.

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Photo credit: Helen Sloan/HBO