Iwan Rheon (born 13 May 1985) is a Welsh actor, singer and musician. He is known for his television roles as Simon Bellamy in E4's "Misfits" and Ramsay Bolton in HBO's "Game of Thrones". He has also starred in "Vicious", "Riviera" and "Inhumans". His movie credits include "The Liberator" (2013) and "The Dirt" (2019).