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BornFebruary 8, 1969 (age 57)
Place of birthPlainfield, New Jersey, USA
Film credits42
Mary McCormack
AliveKnown for 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).
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
- No poster
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