George IV of the United Kingdom
He is known for his television roles, including Hogarth in "Big Breadwinner Hog", the future George IV of the United Kingdom in "Prince Regent" (1979); smooth neighbour Paul Ryman in the sitcom "Ever Decreasing Circles" (1984–89); and Hugh "Shrimpie" MacClare, Marquess of Flintshire, in "Downton Abbey" (2012–15).