Iwan Rheon portrayed Ramsay Bolton on the television program based on the books by whom?
Iwan Rheon Iwan Rheon (] ; born 13 May 1985) is a Welsh actor, singer, and musician. He is known for his portrayals of Ash Weston in the ITV sitcom "Vicious", Simon Bellamy in the E4 series "Misfits", and Ramsay Bolton in the HBO series "Game of Thrones". He has also been cast as Maximus in the Marvel Cinematic Universe series "Inhumans".
Margaery Tyrell Margaery Tyrell is a fictional character in the "A Song of Ice and Fire" series of high fantasy novels by American author George R. R. Martin, and its television adaptation "Game of Thrones". Though a supporting character in the books, she played a more prominent role in the HBO series, and rose to become a main character eventually, where she is portrayed by Natalie Dormer. Margaery is first mentioned in "A Game of Thrones" (1996) and first appears in "A Clash of Kings" (1998).