Dr. Addison Montgomery-Shepherd is a fictional character on Private Practice, the spin-off of the ABC popular series Grey's Anatomy.

1. Birth name: Kathleen Walsh
2. Birth date: October 13, 1967
3. Birthplace: San Jose, California
4. Spouse: Alex Young(2007 - present)
5. Awards: Screen Actors Guild Award
6. Notable projects: Under The Tuscan Sun, Bewitched, Kicking & Screaming

• Addison: Hi. I'm Addison Shepherd.
• Meredith: Shepherd?
• Addison: And you must be the woman who's been screwing my husband.

• "Sometimes people do desperate things to get someone's attention. But there are two sides to every story."

• "Derek, have you ever thought that even if I am Satan and an adulterous bitch that I still might be the love of your life?"

• "Why don't you pick a floor and stay on it and I'll pick a floor and stay on that because I really need a moment or two without you. Your face pops up in my head and your panties show up in my husband's pocket, really, you're everywhere, and I need a moment or two without you."