<P> Iwan Rheon ( Welsh pronunciation : ( ˈɪuan ˈr̥ɛɔn ) ; born 13 May 1985 ) is a Welsh actor , singer , and musician . He is best known for portraying Ramsay Bolton in the HBO series Game of Thrones and Simon Bellamy in the E4 series Misfits , Ash Weston in the ITV sitcom Vicious , and will play Maximus in the Marvel Cinematic Universe series Inhumans . </P>
who played ramsay bolton in game of thrones
Iwan Rheon