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Mary McCormack
Acting
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).
BODY OF WORK
Mary McCormack's Filmography
Select any movie to open its full Movies Mates details page.
Vicious
as Mother
National Memorial Day Concert
as Self
Unpregnant
as Debra Clarke
Still Laugh-In: The Stars Celebrate
as Self
Treehouse
as Lilith
Drone
as Ellen
Alien Code
as Rebecca
The Crash
as Sarah Schwab
An American Girl Story: Maryellen 1955 - Extraordinary Christmas
as Kay Larkin
A Country Called Home
as Amanda
Scooby-Doo! WrestleMania Mystery
as Ms. Richards (voice)
Escape from Polygamy
as Leann
Should've Been Romeo
as Ellen
No Poster
The Unprofessional
as Hilary Pfeiffer-Dunne
1408
as Lilly Enslin
For Your Consideration
as Pilgrim Woman
Right at Your Door
as Lexi
Madison
as Bonnie McCormick
Dickie Roberts: Former Child Star
as Grace Finney
Full Frontal
as Linda
World Traveler
as Margaret
K-PAX
as Rachel Powell
High Heels and Low Lifes
as Frances
BigLove
as Phoebe
No Poster
East of A
as Daphne
Gun Shy
as Gloria Nesstra
The Broken Hearts Club: A Romantic Comedy
as Anne
Other Voices
as Anna
The Big Tease
as Monique
Mystery, Alaska
as Donna Biebe
True Crime
as Michelle Ziegler
Harvest
as Agent Becka Anslinger
Getting to Know You
as Leila Lee
The Alarmist
as Sally
54
as New Year's Eve Wife (uncredited)
Deep Impact
as Andrea Baker
Murder One: Diary of a Serial Killer
as Justine Appleton
Fathers' Day
as Virginia Farrell (uncredited)
Private Parts
as Alison Stern
Colin Fitz
as Moira
Backfire!
as Sarah
Miracle on 34th Street
as Myrna Foy