Today, Yvonne Strahovski turns 33! She was born July 30, 1982 in Australia. Yvonne's most popular television role was on NBC's 'Chuck' as Sara Walker. On Dexter she played the controversial role of Hannah McKay in the seventh and eighth season. She's currently starring in ABC's summer drama 'Astronaut Wives Club' along with Desmond Harrington. Happy b-day Yvonne!