Natalie Dormer Cast on Game of Thrones

In what ought to be the first of many impending season two casting announcements, Natalie Dormer has landed a key role on Game of Thrones.

Best known for portraying Anne Boleyn in The Tudors, Dormer will be a regular on this HBO hit as Margaery Tyrell, a young woman from the influential House Tyrell. The character is engaged to the late King Robert’s brother, Renly Baratheon.

Dormer will also appear in this summer's Captain America.

Game of Thrones starts shooting season two on July 25, meaning many new actors/actresses are likely to be added to the cast before that. We'll keep you apprised as they are, of course.

Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.