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Kate Walsh
ACTOR

Kate Walsh

Known for Grey's Anatomy · The Umbrella Academy · Fargo

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.

Snapshot 2026-10-15

Born
Oct 13, 1967
Birthplace
San Jose, California, USA
Known For
Acting

Biography

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.

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Known For

TVGrey's Anatomy
Grey's AnatomyAddison Montgomery · 2005
★ 8.2
TVThe Umbrella Academy
The Umbrella AcademyThe Handler · 2019
★ 8.5
TVFargo
FargoGina Hess · 2014
★ 8.3
TVAmerican Dad!
American Dad!Teacher (voice) · 2005
★ 7.0
TVCSI: Crime Scene Investigation
CSI: Crime Scene InvestigationMimosa · 2000
★ 7.6
TVLaw & Order
Law & OrderKirstin Blair · 1990
★ 7.3
TVKing of the Hill
King of the HillKatt Savage (voice) · 1997
★ 7.4
TVThe Tonight Show Starring Jimmy Fallon
The Tonight Show Starring Jimmy FallonSelf · 2014
★ 5.8

Filmography

Movies

Henry: Portrait of a Serial Killer, Part 2Cricket
1996
Normal LifeCindy Anderson
1996
Night of the LawyersPressie Brooks
1997
PeppermillsLena
1998
Three Below ZeroMoriat Greenberg
1998
HeavenDiner
1999
The Family ManJeannie
2000
Under the Tuscan SunGrace
2003
After the SunsetSheila
2004
Wake Up, Ron Burgundy: The Lost MovieSue
2004
BewitchedSexy Waitress
2005
Inside OutTyne
2005
Kicking & ScreamingBarbara Weston
2005
1408Mike Enslin's Ex-wife (uncredited)
2007
AsssscatMonologist
2007
GM
Girl MissingAbbie Pennington
2007
Veritas, Prince of TruthNemesii
2007
One Way to ValhallaRaina
2009
LegionSandra Anderson
2010
Angels CrestRoxanne
2011
Comedy Central Roast of Charlie SheenSelf - Roaster
2011
The Perks of Being a WallflowerMother
2012
Scary Movie 5Mal
2013
DesireeMorell
2014
Any DayBethley
2015
Comedy Central Roast of Justin BieberSelf
2015
Just Before I GoKathleen Morgan
2015
Staten Island SummerDanny's Mom
2015
#realityhighDr. Fiona Shively
2017
Girls TripElizabeth Davelli
2017
If I ForgetHolly Fischer
2017
Mark Felt: The Man Who Brought Down the White HousePat Miller
2017
Ideal HomeKate
2018
3022Jackie Miller
2019
Almost LoveElizabeth
2019
Honest ThiefAnnie Wilkins
2020
Sometime Other Than NowKate
2021
StingSandy
2024
The DogClaire
2024
H
Hal
WT
What the F*ck Is My Password?!

Television

Golden Globe AwardsSelf · 1 eps
1944
People's Choice AwardsSelf - Presenter · 1 eps
1975
LIVE with Kelly and MarkSelf · 2 eps
1988
Law & OrderKirstin Blair · 1 eps
1990
RA
Romy AwardSelf - Presenter · 1 eps
1990
Homicide: Life on the StreetCathy Buxton · 1 eps
1993
Late Night with Conan O'BrienSelf - Guest · 1 eps
1993
MADtvSelf - Special Guest · 1 eps
1995
The Drew Carey ShowNicki Fifer · 22 eps
1995
Swift JusticePaula 'Paulie' Goddard · 1 eps
1996
King of the HillKatt Savage (voice) · 1 eps
1997
The ViewSelf · 4 eps
1997
Cupid1 eps
1998
TM
The Mike O'Malley ShowMarcia · 13 eps
1999
The Norm Show5 eps
1999
TurksTerry · 13 eps
1999
CSI: Crime Scene InvestigationMimosa · 1 eps
2000
The Weber ShowStace · 1 eps
2000
Comedy Central RoastsSelf · 1 eps
2003
Happy FamilyJoanna · 1 eps
2003
Jimmy Kimmel Live!Self · 2 eps
2003
Jimmy Kimmel Live!Self - Guest · 1 eps
2003
Karen Sisco2 eps
2003
The Ellen DeGeneres ShowSelf · 7 eps
2003
Cheap SeatsRochelle · 79 eps
2004
Complete SavagesMaggie · 1 eps
2004
TM
The Men's RoomKaren · 4 eps
2004
TT
The Tony Danza ShowSelf · 2 eps
2004
American Dad!Teacher (voice) · 1 eps
2005
American Dad!Prostitute (voice) · 1 eps
2005
EyesKendall Judd · 1 eps
2005
Grey's AnatomyAddison Montgomery · 67 eps
2005
The Showbiz Show with David Spade2 eps
2005
Rachael Ray1 eps
2006
Private PracticeAddison Montgomery · 111 eps
2007
Childrens HospitalKate Walsh · 2 eps
2008
The Gong Show with Dave Attell1 eps
2008
Watch What Happens Live with Andy CohenSelf - Guest · 3 eps
2009
BethennySelf - Guest · 1 eps
2012
Steve HarveySelf · 1 eps
2012
NewsreadersKate Walsh · 2 eps
2013
Bad JudgeRebecca Wright · 13 eps
2014
Bad JudgeExecutive Producer
2014
FargoGina Hess · 4 eps
2014
The Tonight Show Starring Jimmy FallonSelf · 1 eps
2014
The Late Late Show with James CordenSelf - Guest · 1 eps
2015
13 Reasons WhyOlivia Baker · 27 eps
2017
13 Reasons Why: Beyond the ReasonsSelf · 3 eps
2017
FamJolene · 1 eps
2019
The Kelly Clarkson ShowSelf · 2 eps
2019
The Umbrella AcademyThe Handler · 16 eps
2019
Emily in ParisMadeline Wheeler · 8 eps
2020
JC
Joint CustodyFlorence · 1 eps

Photos

Kate Walsh photo
Kate Walsh photo
Kate Walsh photo
Kate Walsh photo
Kate Walsh photo
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