Sandra Oh

Sandra Oh (born July 20, 1971) is a Canadian actress best known for her role as Dr. Cristina Yang in the ABC medical drama series Grey's Anatomy. She voiced Ting-Ting in the 2004 Disney direct-to-DVD film Mulan II and played Vice Principal Gupta in the 2001 Disney comedy film The Princess Diaries. She also voiced Sun Park in the Disney Channel animated series American Dragon: Jake Long and one of Dr. Doofenshmirtz's ex-girlfriend in the Phineas and Ferb episode "Get That Bigfoot Outa My Face!."