Birthday: April 26, 1978

Hometown: Hamilton, Ontario, Canada

Where You've Seen Her: Over the years, you've probably seen sexy Stana Katic in television shows like Alias, The Shield, JAG, The Closer, 24, and Heroes. She was also Morgenstern in The Spirit and Sofia in For Lovers Only. Check her out in Castle tonight.

Random Fact: She's the voice of Talia al Ghul in Batman: Arkham City.