Yvonne Jaqueline Strzechowski, known professionally as Yvonne Strahovski (born 30 July 1982), is an Australian actress. She is best known for her roles as CIA Agent Sarah Walker in the NBC spy drama series Chuck (2007–2012), Hannah McKay in the Showtime drama series Dexter (2012–2013), and CIA Agent Kate Morgan in the Fox event series 24: Live Another Day (2014). She currently stars as Serena Joy Waterford in the Hulu drama series The Handmaid's Tale (2017–present), for which she received a Primetime Emmy Award nomination.<br><br>
Yvonne's background as a dancer, her training for fighting scenes in Chuck, and her passion for fitness gives her excellent credentials for fighting in the UCC. She has complained that many actress who claim then can do fighting scenes are lacking when it comes to it. She has praised Nicole Richie for being very good in performing fight scenes.