Kate Walsh appears as Addison Montgomery on ABC's Private Practice. Addison showed up on Grey's Anatomy at the end of season 1 as Derek's wife. She got a job at the hospital and stuck around for awhile before heading to Private Practice.

Birth:
October 13, 1967 in San Jose, California

Kate Walsh's Previous TV and Movie Roles:

• Funny or Die Presents...: 2010 (4 episodes) Cast (Holdup)
• Legion: 2010 Sandra Anderson

• Grey's Anatomy: 2005-2010 (57 episodes) Dr. Addison Montgomery-Shepherd
• One Way to Valhalla: 2009 Raina
• King of the Hill: 2009 (1 episode) Katt Savage (voice)
• Upright Citizens Brigade: Asssscat: 2008 (TV movie)
• 1408: 2007 Mike Enslin's ex-wife
• Girl Missing: 2007 (video) Abbie Pennington
• Veritas, Prince of Truth: 2007 Nemesii
• Cheap Seats: Without Ron Parker: 2006 (1 episode) Rochelle
• Bewitched: 2005 Sexy Waitress
• Inside Out: 2005 Tyne
• Kicking & Screaming: 2005 Barbara Weston
• Eyes: 2005 (1 episode) Kendall Judd
• Bobby Cannon: 2005 (TV movie) London
• Wake Up, Ron Burgundy: The Lost Movie: 2004 (video) Sue
• Complete Savages: 2004 (1 episode) Maggie
• CSI: Crime Scene Investigation: 2004 (1 episode) Mimosa
• After the Sunset: 2004 Sheila
• Karen Sisco: 2003-2004 (2 episodes) Marley Novak
• The Men's Room: 2004 (3 episodes) Karen
• Joint Custody: 2004 (TV series) Florence
• Under the Tuscan Sun: 2003 Grace
• The Drew Carey Show: 1997-2002 (21 episodes) Nicki Fifer
• A Day in the Life of Nancy M. Pimental: 2002 (video short) Kate

• Anatomy of a Breakup: 2002 Lorra
• The Mind of the Married Man: 2001 (3 episodes) Carol Nelson
• The Fugitive: 2001 (3 episodes) Agent Eve Hilliard
• Norm: 2000-2001 (5 episodes) Jenny
• The Family Man: 2000 Jeannie
• The Weber Show: 2000 (1 episode)
• The Only Living Boy in New York: 2000 (TV movie)

Early Career:
Piven Theatre Workshop and Chicago Shakespeare Repertory

Education:
University of Arizona

Family:
Her mother is Italian and her father is Irish.

Trivia Fact:
Kate Walsh wore a fat suit in her role as Nicki Fifer on The Drew Carey Show.