Chuck Beauty Yvonne Strahovski to Join ‘Dexter’ Cast June 12, 2012 Dexter, News Australian actress Yvonne Strahovski burst onto the American TV landscape thanks to her run-away role of spy Sarah Walker in the cult favorite NBC dramedy ‘Chuck’, which sadly came to an end this past January after a five season run on the network. Now news has broken that she will appear in a multi-episode arch on the Showtime series Dexter, playing Hannah McKay, a strong, independent woman with a past that she’s struggled to put behind her. As a turn of events leads Miami Metro Homicide to ask for her help in solving some old cases, Dexter (Michael C. Hall) works with her and begins to wonder if there’s more to this woman than she’s professed. Besides her work on ‘Chuck’, Strahovski has appeared in the box office films ‘The Canyon’ (with Eion Bailey and Will Patton) and ‘Killer Elite (with Jason Statham, Clive Owen and Robert De Niro). She also two big upcoming projects, including ‘The Guilt Trip’ with Barbra Streisand and Seth Rogan and ‘I, Frankenstein’ with Aaron Eckhart and Bill Nighy. ‘Dexter’ will be back for it seventh season on Showtime this fall with a premiere date set for September 30 at 9/8c.