Yvonne Strahovski

Yvonne Jaqueline Strzechowski, better known by the stage name Yvonne Strahovski, is an Australian actress. She is best known for portraying CIA Agent Sarah Walker in the NBC television series Chuck nd Hannah McKay in the Showtime series Dexter. She is also the voice and model of Miranda Lawson in the Mass Effect video game series. She currently appears as CIA agent Kate Morgan in 24: Live Another Day.