Acting credits
75
Prolific
Very extensive acting filmography.
Actor
Mary McCormack
Acting
Career Snapshot
ExplainedThese indicators come from TMDB. They are relative signals, not review ratings.
TMDB popularity
2.0
Low visibility
TMDB internal trend index. Higher usually means more searches and page activity now.
Movies: 40Series: 35
TMDB ID: 1980
IMDb ID: nm0005203
Known for: Acting
Born: February 8, 1969
Age: 57
Place of birth: Plainfield, New Jersey, USA
Gender: Female
Adult content flag: No
Career span: 1956 - 2025
Years active: 70
Average TMDB rating: 6.3
Wikidata: Q242650
Also known as
Mary Catherine McCormack • مری مککورمک
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).
Photos
Movies
Movies
Movie credits linked with Mary McCormack.
Vicious
as Mother
2025 Movie
National Memorial Day Concert
as Self
2023 Movie
Unpregnant
as Debra Clarke
2020 Movie
Still Laugh-In: The Stars Celebrate
as Self
2019 Movie
Treehouse
as Lilith
2019 Movie
Drone
as Ellen
2017 Movie
Alien Code
as Rebecca
2017 Movie
The Crash
as Sarah Schwab
2017 Movie
An American Girl Story: Maryellen 1955 - Extraordinary Christmas
as Kay Larkin
2016 Movie
A Country Called Home
as Amanda
2016 Movie
Scooby-Doo! WrestleMania Mystery
as Ms. Richards (voice)
2014 Movie
Escape from Polygamy
as Leann
2013 Movie
Should've Been Romeo
as Ellen
2012 Movie
1408
as Lilly Enslin
2007 Movie
For Your Consideration
as Pilgrim Woman
2006 Movie
Right at Your Door
as Lexi
2006 Movie
Madison
as Bonnie McCormick
2005 Movie
Dickie Roberts: Former Child Star
as Grace Finney
2003 Movie
Full Frontal
as Linda
2002 Movie
World Traveler
as Margaret
2002 Movie
K-PAX
as Rachel Powell
2001 Movie
High Heels and Low Lifes
as Frances
2001 Movie
BigLove
as Phoebe
2001 Movie
Gun Shy
as Gloria Nesstra
2000 Movie
Series
Series
Series credits linked with Mary McCormack.
The Pitt
as Dr. Linda Conley • 2 eps
2025 Series
Heels
as Willie Day • 16 eps
2021 Series
The L Word: Generation Q
as Anne Finley • 1 eps
2019 Series
The Kids Are Alright
as Peggy Cleary • 23 eps
2018 Series
25 Words or Less
as Self • 25 eps
2018 Series
For the People
as Chloe Daniels • 1 eps
2018 Series
Will & Grace
as Janet • 2 eps
2017 Series
Loaded
as Casey • 8 eps
2017 Series
Divorce
as Kathy DeSantis • 1 eps
2016 Series
Match Game
as Self - Panelist • 1 eps
2016 Series
To Tell the Truth
as Self - Panelist • 1 eps
2016 Series
Chelsea
as Self • 2 eps
2016 Series
Chelsea Does
as Herself • 1 eps
2016 Series
Angie Tribeca
as Abigail Liukin • 3 eps
2016 Series
Welcome to the Family
as Caroline Yoder • 9 eps
2013 Series
The Newsroom
as Molly Levy • 2 eps
2012 Series
Scandal
as Lisa Elliot • 1 eps
2012 Series
House of Lies
as Denna Altshuler • 7 eps
2012 Series
Watch What Happens Live with Andy Cohen
as Self - Guest • 1 eps
2009 Series
Late Night with Jimmy Fallon
as Self • 1 eps
2009 Series
In Plain Sight
as Mary Shannon • 61 eps
2008 Series
The Late Late Show with Craig Ferguson
as Self • 2 eps
2005 Series
Traffic
as Carole McKay • 3 eps
2004 Series
K Street
as Maggie Morris • 10 eps
2003 Series