Yvonne Jaqueline Strzechowski[a] (born 30 July 1982), known professionally as Yvonne Strahovski (/strəˈhɒvski/), is an Australian actress. She is known for roles as Sarah Walker in the spy comedy drama series Chuck (2007–2012), Hannah McKay in the drama series Dexter (2012–2013) and Kate Morgan in the event series 24: Live Another Day (2014). Strahovski stars as Serena Joy Waterford in the drama series The Handmaid's Tale (2017–present), for which she has received nominations for two Primetime Emmy Awards, three Screen Actors Guild Awards and a Golden Globe Award.
Her other notable works include Lego: The Adventures of Clutch Powers (2010), The Guilt Trip (2012), Killer Elite (2011), I, Frankenstein (2014), The Astronaut Wives Club (2015), Manhattan Night (2016), All I See Is You (2016), He's Out There (2018), The Predator (2018) and The Tomorrow War (2021). She voiced Miranda Lawson in the Mass Effect video game series and Batwoman in the animated superhero film Batman: Bad Blood (2016).