Kathleen Erin "Kate" Walsh (born October 13, 1967) is an American film and television actress, currently known for her role as Dr. Addison Montgomery on the ABC dramas Grey's Anatomy and Private Practice.

Filmography

• 2024Sting — Sandy
• 2024The Dog — Claire
• 2021Sometime Other Than Now — Kate
• Emily in Paris — Madeline Wheeler
• 2020Honest Thief — Annie Wilkins
• 20193022 — Jackie Miller
• 2019Almost Love — Elizabeth
• Fam — Jolene
• The Umbrella Academy — The Handler
• 2018Ideal Home — Kate
• 2017#realityhigh — Dr. Fiona Shively
• 13 Reasons Why — Olivia Baker
• 2017Girls Trip — Elizabeth Davelli
• 2017If I Forget — Holly Fischer
• 2017Mark Felt: The Man Who Brought Down the White House — Pat Miller
• 2015Any Day — Bethley
• 2015Just Before I Go — Kathleen Morgan
• 2015Staten Island Summer — Danny's Mom
• Bad Judge — Rebecca Wright, Executive Producer
• 2014Desiree — Morell
• Fargo — Gina Hess
• Newsreaders — Kate Walsh
• 2013Scary Movie 5 — Mal
• 2012The Perks of Being a Wallflower — Mother
• 2011Angels Crest — Roxanne
• 2010Legion — Sandra Anderson
• 2009One Way to Valhalla — Raina
• Childrens Hospital — Kate Walsh
• The Gong Show with Dave Attell
• 20071408 — Mike Enslin's Ex-wife (uncredited)
• 2007Asssscat — Monologist
• 2007Girl Missing — Abbie Pennington
• Private Practice — Addison Montgomery
• 2007Veritas, Prince of Truth — Nemesii
• Rachael Ray
• American Dad! — Teacher (voice), Prostitute (voice)
• 2005Bewitched — Sexy Waitress
• Eyes — Kendall Judd
• Grey's Anatomy — Addison Montgomery
• 2005Inside Out — Tyne
• 2005Kicking & Screaming — Barbara Weston
• The Showbiz Show with David Spade
• 2004After the Sunset — Sheila
• Cheap Seats — Rochelle
• Complete Savages — Maggie
• The Men's Room — Karen
• 2004Wake Up, Ron Burgundy: The Lost Movie — Sue
• Happy Family — Joanna
• Karen Sisco
• 2003Under the Tuscan Sun — Grace
• CSI: Crime Scene Investigation — Mimosa
• 2000The Family Man — Jeannie
• The Weber Show — Stace
• 1999Heaven — Diner
• The Mike O'Malley Show — Marcia
• The Norm Show
• Turks — Terry
• Cupid
• 1998Peppermills — Lena
• 1998Three Below Zero — Moriat Greenberg
• King of the Hill — Katt Savage (voice)
• 1997Night of the Lawyers — Pressie Brooks
• 1996Henry: Portrait of a Serial Killer, Part 2 — Cricket
• 1996Normal Life — Cindy Anderson
• Swift Justice — Paula 'Paulie' Goddard
• The Drew Carey Show — Nicki Fifer
• Homicide: Life on the Street — Cathy Buxton
• Law & Order — Kirstin Blair
• Hal
• Joint Custody — Florence
• What the F*ck Is My Password?!

Appearances as themselves (20)

• The Kelly Clarkson Show — Self
• 13 Reasons Why: Beyond the Reasons — Self
• 2015Comedy Central Roast of Justin Bieber — Self
• The Late Late Show with James Corden — Self - Guest
• The Tonight Show Starring Jimmy Fallon — Self
• Bethenny — Self - Guest
• Steve Harvey — Self
• 2011Comedy Central Roast of Charlie Sheen — Self - Roaster
• Watch What Happens Live with Andy Cohen — Self - Guest
• The Tony Danza Show — Self
• Comedy Central Roasts — Self
• Jimmy Kimmel Live! — Self, Self - Guest
• The Ellen DeGeneres Show — Self
• The View — Self
• MADtv — Self - Special Guest
• Late Night with Conan O'Brien — Self - Guest
• Romy Award — Self - Presenter
• LIVE with Kelly and Mark — Self
• People's Choice Awards — Self - Presenter
• Golden Globe Awards — Self