Mary McCormack
Known for ActingBorn 1969-02-08 (age 57)Plainfield, New Jersey, USA
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).Read more
Movies & web series
East of A
★ 10.0Find where to watch →
East of A
2000 · Movie
★ 10.0Find where to watch →
The Wright Verdicts
1995 · Series
★ 8.8Find where to watch →
The Pitt
2025 · Series
★ 8.3Find where to watch →
The West Wing
1999 · Series
★ 8.1Find where to watch →
The Newsroom
2012 · Series
★ 7.8Find where to watch →
An American Girl Story: Maryellen 1955 - Extraordinary Christmas
2016 · Movie
★ 7.6Find where to watch →
The L Word: Generation Q
2019 · Series
★ 7.8Find where to watch →
ER
1994 · Series
★ 7.5Find where to watch →
Will & Grace
2017 · Series
★ 7.7Find where to watch →
Murder One
1995 · Series
★ 7.4Find where to watch →
Heels
2021 · Series
★ 7.6Find where to watch →
Law & Order: Criminal Intent
2001 · Series
★ 7.6Find where to watch →
Getting to Know You
1999 · Movie
★ 7.5Find where to watch →
BigLove
2001 · Movie
★ 7.3Find where to watch →
For the People
2018 · Series
★ 7.3Find where to watch →
Scooby-Doo! WrestleMania Mystery
2014 · Movie
★ 7.2Find where to watch →
Scandal
2012 · Series
★ 7.2Find where to watch →
K-PAX
2001 · Movie
★ 7.3Find where to watch →
Law & Order
1990 · Series
★ 7.1Find where to watch →
In Plain Sight
2008 · Series
★ 6.9Find where to watch →
The Kids Are Alright
2018 · Series
★ 6.8Find where to watch →
Unpregnant
2020 · Movie
★ 7.0Find where to watch →
Murder One: Diary of a Serial Killer
1997 · Movie
★ 6.8Find where to watch →
Escape from Polygamy
2013 · Movie
★ 6.8Find where to watch →
The Late Late Show with Craig Ferguson
2005 · Series
★ 6.7Find where to watch →
1408
2007 · Movie
★ 6.6Find where to watch →
House of Lies
2012 · Series
★ 6.5Find where to watch →
Loaded
2017 · Series
★ 6.8Find where to watch →
Miracle on 34th Street
1994 · Movie
★ 6.6Find where to watch →
Traffic
2004 · Series
★ 6.4Find where to watch →
Divorce
2016 · Series
★ 6.4Find where to watch →
Angie Tribeca
2016 · Series
★ 6.4Find where to watch →
Match Game
2016 · Series
★ 6.5Find where to watch →
True Crime
1999 · Movie
★ 6.5Find where to watch →
Private Parts
1997 · Movie
★ 6.3Find where to watch →
Colin Fitz
1997 · Movie
★ 6.3Find where to watch →
The Broken Hearts Club: A Romantic Comedy
2000 · Movie
★ 6.3Find where to watch →
Mystery, Alaska
1999 · Movie
★ 6.2Find where to watch →
Deep Impact
1998 · Movie
★ 5.9Find where to watch →
Vicious
2025 · Movie
★ 6.2Find where to watch →
High Heels and Low Lifes
2001 · Movie
★ 6.0Find where to watch →
Late Night with Jimmy Fallon
2009 · Series
★ 5.8Find where to watch →
Right at Your Door
2006 · Movie
★ 5.9Find where to watch →
The Big Tease
1999 · Movie
★ 5.8Find where to watch →
For Your Consideration
2006 · Movie
★ 5.7Find where to watch →
To Tell the Truth
2016 · Series
★ 5.8Find where to watch →
Madison
2005 · Movie
★ 5.9Find where to watch →
54
1998 · Movie