Lily James (born Lily Chloe Ninette Thomson; April 5, 1989) is an English actress, who is best known for playing Lady Rose MacClare in the period drama Downton Abbey. Her big screen roles include Korrina in Wrath of the Titans, and Lisa Temple in Fast Girls.

For Disney, she played Cinderella in the 2015 Disney live-action fantasy film of the same name.