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 also voices Mrs. Murawski in Milo Murphy's Law. She will play Melanie in the ABC TV show Speechless and she is also the voice of Beth in rick and morty.