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.

KNOWN FOR

Watch What Happens Live with Andy Cohen
2012
The Tonight Show Starring Jimmy Fallon
2014
Grey's Anatomy
2005
Law & Order
1997
The Kelly Clarkson Show
2023
CSI: Crime Scene Investigation
2004
American Dad!
2019
The View
2006
The Late Late Show with James Corden
2023
Jimmy Kimmel Live!
2006
LIVE with Kelly and Mark
2007
King of the Hill
2009

FILMOGRAPHY

All
Movies
TV
Acting
93
Producing
1
2024
Sting
as Sandy
2024
The Dog
as Claire
2023
The Late Late Show with James Corden
as Self - Guest
2023
The Kelly Clarkson Show
as Self
2021
Sometime Other Than Now
as Kate
2020
Honest Thief
as Annie Wilkins
2020
Emily in Paris
as Madeline Wheeler
2019
Almost Love
as Elizabeth
2019
3022
as Jackie Miller
2019
American Dad!
as Teacher (voice)
2019
Fam
as Jolene
2019
Rachael Ray
2019
The Umbrella Academy
as The Handler
2018
Ideal Home
as Kate
2018
American Dad!
as Prostitute (voice)
2017
Mark Felt: The Man Who Brought Down the White House
as Pat Miller
2017
#realityhigh
as Dr. Fiona Shively
2017
Girls Trip
as Elizabeth Davelli
2017
If I Forget
as Holly Fischer
2017
13 Reasons Why
as Olivia Baker
2017
13 Reasons Why: Beyond the Reasons
as Self
2015
Comedy Central Roast of Justin Bieber
as Self
2015
Just Before I Go
as Kathleen Morgan
2015
Any Day
as Bethley
2015
Staten Island Summer
as Danny's Mom
2014
Desiree
as Morell
2014
Bad Judge
as Rebecca Wright
2014
The Tonight Show Starring Jimmy Fallon
as Self
2014
Fargo
as Gina Hess
2014
Steve Harvey
as Self
2013
Scary Movie 5
as Mal
2013
Romy Award
as Self - Presenter
2013
Newsreaders
as Kate Walsh
2012
The Perks of Being a Wallflower
as Mother
2012
Bethenny
as Self - Guest
2012
Watch What Happens Live with Andy Cohen
as Self - Guest
2011
Comedy Central Roast of Charlie Sheen
as Self - Roaster
2011
Angels Crest
as Roxanne
2011
Comedy Central Roasts
as Self
2011
People's Choice Awards
as Self - Presenter
2010
Legion
as Sandra Anderson
2010
Childrens Hospital
as Kate Walsh
2010
Jimmy Kimmel Live!
as Self - Guest
2009
One Way to Valhalla
as Raina
2009
King of the Hill
as Katt Savage (voice)
2008
The Gong Show with Dave Attell
2007
Veritas, Prince of Truth
as Nemesii
2007
Asssscat
as Monologist
2007
1408
as Mike Enslin's Ex-wife (uncredited)
2007
Girl Missing
as Abbie Pennington
2007
LIVE with Kelly and Mark
as Self
2007
Private Practice
as Addison Montgomery
2007
MADtv
as Self - Special Guest
2006
The Ellen DeGeneres Show
as Self
2006
The Showbiz Show with David Spade
2006
The View
as Self
2006
Jimmy Kimmel Live!
as Self
2006
Golden Globe Awards
as Self
2005
Kicking & Screaming
as Barbara Weston
2005
Inside Out
as Tyne
2005
Bewitched
as Sexy Waitress
2005
The Tony Danza Show
as Self
2005
Grey's Anatomy
as Addison Montgomery
2005
Late Night with Conan O'Brien
as Self - Guest
2005
Eyes
as Kendall Judd
2004
Wake Up, Ron Burgundy: The Lost Movie
as Sue
2004
After the Sunset
as Sheila
2004
CSI: Crime Scene Investigation
as Mimosa
2004
The Men's Room
as Karen
2004
Complete Savages
as Maggie
2004
Happy Family
as Joanna
2003
Under the Tuscan Sun
as Grace
2003
Karen Sisco
2003
Cheap Seats
as Rochelle
2000
The Family Man
as Jeannie
2000
The Norm Show
2000
The Weber Show
as Stace
1999
Heaven
as Diner
1999
The Mike O'Malley Show
as Marcia
1999
Turks
as Terry
1998
Peppermills
as Lena
1998
Three Below Zero
as Moriat Greenberg
1998
Cupid
1997
Night of the Lawyers
as Pressie Brooks
1997
The Drew Carey Show
as Nicki Fifer
1997
Law & Order
as Kirstin Blair
1996
Henry: Portrait of a Serial Killer, Part 2
as Cricket
1996
Normal Life
as Cindy Anderson
1996
Homicide: Life on the Street
as Cathy Buxton
1996
Swift Justice
as Paula 'Paulie' Goddard
What the F*ck Is My Password?!
Hal
Joint Custody
as Florence