• Katherine is the youngest of four in her family. She has two older brothers and an older sister.
• Katherine began modeling and doing commercial, which both proved to be a bridge into the acting world for her.
• Katherine is half Irish and half German.
• People call her Katie for short.
• Katie was not allowed to date until she was 16 years old.
• Katherine grew up in New Canaan, Connecticut.
• When she was 13, Katherine wrote in her diary everyday, "Oh, if I could only have a B-cup by summer!"

1. The Ugly Truth (2009)
2. 27 Dresses (2008)
3. Grey's Anatomy: Season 4 Expanded (2008)
4. Knocked Up (2007)
5. Caffeine (2007)
6. Grey's Anatomy: Season 3 (2007)
7. Grey's Anatomy: Season 2 Uncut (2006)
8. Grey's Anatomy: Season One (2006)
9. The Ringer (2005)
10. Side Effects (2005)
11. Roswell: The Complete Third Season (2005)
12. Love Comes Softly (2004)
13. Roswell: The Complete First Season (2004)
14. Roswell: The Complete Second Season (2004)
15. Love's Enduring Promise (2004)
16. Wuthering Heights (2003)
17. Valentine (2001)
18. 100 Girls (2001)
19. Bride Of Chucky (1998)
20. Bug Buster (1998)
21. The Tempest (1998)
22. Stand-Ins (1997)
23. Prince Valiant (1997)
24. Wish Upon A Star (1996)
25. Under Siege 2: Dark Territory (1995)
26. My Father, The Hero (1994)
27. King Of The Hill (1993)
28. That Night (1992)

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