Which star featured in Non-Stop is most widely known for her performance as Lady Mary Crawley in "Dowton Abbey"?
Non-Stop (film): Non-Stop is a 2014 American mystery action thriller film directed by Jaume Collet-Serra and starring Liam Neeson, Julianne Moore, Michelle Dockery, Lupita Nyong'o, and Scoot McNairy. Michelle Dockery:  She is most widely known for her performance as Lady Mary Crawley in the ITV (UK) and PBS (U.S.) television period drama series "Downton Abbey" (2010–15), for which she was nominated for three consecutive Emmy Awards in the category for Outstanding Lead Actress In Drama Series, and a Golden Globe Award nomination.
Michelle Dockery