Margaery Tyrell is a fictional character in the A Song of Ice and Fire series of epic fantasy novels by American author George R. R. Martin, and its television adaptation Game of Thrones, where she is portrayed by English actress Natalie Dormer. Margaery is first mentioned in A Game of Thrones (1996) and first appears in A Clash of Kings (1998). She subsequently appeared in A Storm of Swords (2000), A Feast for Crows (2005), and A Dance with Dragons (2011).