Maggie Smith isn't an actress.
Maggie Smith . She won an Emmy Award in 2003 for My House in Umbria , to become one of the few actresses to have achieved the Triple Crown of Acting , and starred as Lady Violet Crawley , Dowager Countess of Grantham on Downton Abbey ( 2010 -- 15 ) , for which she won three Emmys , her first non-ensemble Screen Actors Guild Award and her third Golden Globe .