Mary McCormack
- Known for
- Acting
- Born
- February 8, 1969
- Birthplace
- 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).
Filmography
Vicious 2025
as Mother
National Memorial Day Concert 2023
as Self
Unpregnant 2020
as Debra Clarke
Still Laugh-In: The Stars Celebrate 2019
as Self
Treehouse 2019
as Lilith
Drone 2017
as Ellen
Alien Code 2017
as Rebecca
The Crash 2017
as Sarah Schwab
An American Girl Story: Maryellen 1955 - Extraordinary Christmas 2016
as Kay Larkin
A Country Called Home 2016
as Amanda
Scooby-Doo! WrestleMania Mystery 2014
as Ms. Richards (voice)
Escape from Polygamy 2013
as Leann
Should've Been Romeo 2012
as Ellen
- The Unprofessional
The Unprofessional 2012
as Hilary Pfeiffer-Dunne
1408 2007
as Lilly Enslin
For Your Consideration 2006
as Pilgrim Woman
Right at Your Door 2006
as Lexi
Madison 2005
as Bonnie McCormick
Dickie Roberts: Former Child Star 2003
as Grace Finney
Full Frontal 2002
as Linda
World Traveler 2002
as Margaret
K-PAX 2001
as Rachel Powell
High Heels and Low Lifes 2001
as Frances
BigLove 2001
as Phoebe
- East of A
East of A 2000
as Daphne
Gun Shy 2000
as Gloria Nesstra
The Broken Hearts Club: A Romantic Comedy 2000
as Anne
Other Voices 2000
as Anna
The Big Tease 1999
as Monique
Mystery, Alaska 1999
as Donna Biebe
True Crime 1999
as Michelle Ziegler
Harvest 1999
as Agent Becka Anslinger
Getting to Know You 1999
as Leila Lee
The Alarmist 1998
as Sally
54 1998
as New Year's Eve Wife (uncredited)
Deep Impact 1998
as Andrea Baker
Murder One: Diary of a Serial Killer 1997
as Justine Appleton
Fathers' Day 1997
as Virginia Farrell (uncredited)
Private Parts 1997
as Alison Stern
Colin Fitz 1997
as Moira
Backfire! 1995
as Sarah
Miracle on 34th Street 1994
as Myrna Foy
Credits from TMDB.