Lily James has been on TV.
Just William is a television series first broadcast on BBC One in December 2010 . Lily James . She played Lady Rose Aldridge in the ITV period drama Downton Abbey and the title role in the 2015 Disney film Cinderella . She began to appear in Hollywood films in 2012 , with roles in Wrath of the Titans and Fast Girls , and was seen in further television roles , including that of Countess Natasha Rostova in the 2016 BBC historical drama series War & Peace .