Sandra Oh (b. 1971) is an Emmy Award nominated American actress best known for her role as Cristina Yang on Grey's Anatomy and for the feature film Sideways. She appeared in Episode 4184 of Sesame Street as Cookie Monster's "fairy cookie person", and bestows upon him the "cookie touch": whatever he touches will turn into a cookie. After several mishaps, she rescinds the gift.
She also presented the lifetime achievement award to Sesame Street, at the 2009 Daytime Emmy Awards.