Sandra Oh (born July 20, 1971) is a Canadian actress. She is best known for the role of Dr. Cristina Yang on ABC's medical drama Grey's Anatomy, for which she has won Golden Globe and Screen Actors Guild awards. She has also played notable roles in the feature films Under the Tuscan Sun and Sideways, and had a supporting role on the HBO original series Arli$$. Other films she has appeared in include The Night Listener, Blindness and Rabbit Hole. The actress' work on Grey's Anatomy has earned her five nominations for the Primetime Emmy Award for Outstanding Supporting Actress in a Drama Series.