Sandra Miju Oh (born July 20, 1971) is a Canadian actress known for her role as Dr. Cristina Yang on ABC's medical drama Grey's Anatomy, a role that earned her Golden Globe and Screen Actors Guild awards, as well as five nominations for Primetime Emmy Award for Outstanding Supporting Actress in a Drama Series.She has also played notable roles in the feature films The Princess Diaries, Under the Tuscan Sun, Last Night, Sideways, and had a supporting role on the HBO original series Arli$$.