Today, Yvonne Strahovski (or Yvonne Strzechowski) turns 31! She was born July 30, 1982 in Australia. One of her most popular television roles was on NBC's 'Chuck' as Sara Walker. On Dexter she played the role of Hannah McKay in the seventh season. Her return to the show is around the corner, and we're looking forward to it! Happy b-day Yvonne!