Mary McCormack
Personal Info
Known For
Acting
Gender
Female
Birthday
1969-02-08
Place of Birth
Plainfield, New Jersey, USA
Mary McCormack
Biography
Mary Catherine McCormack is an American actress. She has had leading roles as Justine Appleton on the series Murder One (1995–1997), as Deputy National Security Adviser Kate Harper on The West Wing (2004–2006), as Deputy U.S. Marshal Mary Shannon on In Plain Sight (2008–2012), and as Peggy on the comedy series The Kids Are Alright (2018–2019).
Also Known For
K-PAX
Oct 26, 2001
1408
Jun 22, 2007
High Heels and Low Lifes
Jul 16, 2001
The Big Tease
Nov 26, 1999
The Broken Hearts Club: A Romantic Comedy
Feb 01, 2000
Deep Impact
May 08, 1998
Private Parts
Mar 07, 1997
Dickie Roberts: Former Child Star
Sep 04, 2003
Gun Shy
Feb 04, 2000
Full Frontal
Aug 02, 2002
Mystery, Alaska
Oct 01, 1999
Right at Your Door
Jan 23, 2006
Other Voices
Jan 22, 2000
Colin Fitz
Jan 19, 1997
For Your Consideration
Nov 17, 2006
East of A
Mar 03, 2000
54
Aug 28, 1998
Fathers' Day
May 09, 1997
Harvest
Mar 12, 1999
The Alarmist
Oct 23, 1998
Should've Been Romeo
Apr 28, 2012
Backfire!
Jan 20, 1995
Escape from Polygamy
Aug 24, 2013
True Crime
Mar 19, 1999
A Country Called Home
Feb 26, 2016
BigLove
Jan 19, 2001
The Crash
Jan 13, 2017
An American Girl Story: Maryellen 1955 - Extraordinary Christmas
Nov 25, 2016
Madison
Apr 22, 2005
Scooby-Doo! WrestleMania Mystery
Mar 11, 2014
Vicious
Aug 06, 2025
Drone
May 26, 2017
Alien Code
Apr 23, 2017
Treehouse
Mar 01, 2019
Getting to Know You
Jan 22, 1999
National Memorial Day Concert
May 28, 2023
Still Laugh-In: The Stars Celebrate
May 14, 2019
World Traveler
Apr 19, 2002
Miracle on 34th Street
Nov 18, 1994
Unpregnant
Sep 10, 2020
The Unprofessional
Jan 01, 2012
The Ellen DeGeneres Show
Sep 08, 2003
Murder One
Sep 20, 1995
ER
Sep 19, 1994
In Plain Sight
Jun 01, 2008
K Street
Sep 14, 2003
House of Lies
Jan 08, 2012
Traffic
Jan 26, 2004
The Wright Verdicts
Mar 31, 1995
The Late Late Show with Craig Kilborn
Mar 30, 1999
Welcome to the Family
Oct 03, 2013
The West Wing
Sep 22, 1999
The Late Late Show with Craig Ferguson
Jan 03, 2005
Tony Awards
Apr 01, 1956
Chelsea Does
Jan 23, 2016
Loaded
May 08, 2017
Chelsea
May 11, 2016
Divorce
Oct 09, 2016
Angie Tribeca
Jan 17, 2016
Law & Order
Sep 13, 1990
Match Game
Jun 26, 2016
The Kids Are Alright
Oct 16, 2018
The Tonight Show with Jay Leno
May 25, 1992
Watch What Happens Live with Andy Cohen
Jul 16, 2009
Scandal
Apr 05, 2012
To Tell the Truth
Jun 14, 2016
For The People
Mar 13, 2018
25 Words or Less
Aug 06, 2018
Will & Grace
Sep 28, 2017
The L Word: Generation Q
Dec 08, 2019
Law & Order: Criminal Intent
Sep 30, 2001
Late Night with Jimmy Fallon
Mar 02, 2009
Heels
Aug 15, 2021
The Newsroom
Jun 24, 2012