Sarah Chalke (born August 27, 1976) is a Canadian actress known for portraying Dr. Elliot Reid on the NBC/ABC comedy series Scrubs, the second Rebecca "Becky" Conner on the ABC sitcom Roseanne.

For Disney, she voiced Magee in Prep and Landing, Operation: Secret Santa and Prep & Landing: Naughty vs. Nice. She also played Angie LeClaire in Cougar Town and Casey Hedges in Grey's Anatomy. She will voice Mrs. Murawski in Milo Murphy's Law.