57
Years
42
Movies
34
TV Shows
7.0
Rating
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).
57
Years Old
42
Movies
34
TV Shows
7.0
Avg Rating
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).
The Late Late Show with Craig Ferguson
2005
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).
Gender
Female
Birthday
February 8, 1969
Birthplace
Plainfield, New Jersey, USA
Also Known As
K-PAX
2001
Deep Impact
1998
1408
2007
Vicious
2025
Should've Been Romeo
2012
54
1998
Alien Code
2017
Miracle on 34th Street
1994
True Crime
1999
Gun Shy
2000
Private Parts
1997
Murder One: Diary of a Serial Killer
1997
Scooby-Doo! WrestleMania Mystery
2014
Full Frontal
2002
Drone
2017
Still Laugh-In: The Stars Celebrate
2019
A Country Called Home
2016
Fathers' Day
1997
Mystery, Alaska
1999
Colin Fitz
1997
+ 22 more movies
Watch What Happens Live with Andy Cohen
2009
Law & Order
1990
The Late Late Show with Craig Ferguson
2005
Will & Grace
2017
The West Wing
1999
ER
1994
The Tonight Show with Jay Leno
1992
Law & Order: Criminal Intent
2001
Scandal
2012
25 Words or Less
2018
25 Words or Less
2018
25 Words or Less
2018
The Ellen DeGeneres Show
2003
Chelsea
2016
Angie Tribeca
2016
In Plain Sight
2008
The Newsroom
2012
Late Night with Jimmy Fallon
2009
Match Game
2016
To Tell the Truth
2016
+ 14 more TV shows
