Sarah Lisa Bartowski, known as Sarah Bartowski, (formerly Walker), (born May 1982) is a main character and the wife of Chuck Bartowski in the television series Chuck on NBC. Throughout the series, she has revealed that her birth name is Sam Lisa, a surname was never revealed, although the alias Jenny Burton is also a significant one, but mostly for continuity purposes. She appears to have adopted the name Sarah as her permanent name, as even her mother uses it when introducing her to her adoptive sister, albeit somewhat reluctantly. She is portrayed by Yvonne Strahovski.