Sarah Chalke

Sarah Chalke (pron.: /ˈtʃɔːk/; born August 27, 1976) is a Canadian actress known for portraying Dr. Elliot Reid on the NBC/ABC comedy series Scrubs, Rebecca "Becky" Conner on the ABC sitcom Roseanne, and Stella Zinman in the CBS sitcom How I Met Your Mother. She has also had a recurring role in the third season of ABC sitcom Cougar Town and currently stars as Polly, the lead character in How to Live with Your Parents (For the Rest of Your Life), also airing on ABC.