Mary McCormack
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).
Known For
Rachel Powell
K-PAX
Lilly Enslin
1408
Frances
High Heels and Low Lifes
Monique
The Big Tease
Anne
The Broken Hearts Club: A Romantic Comedy
Andrea Baker
Deep Impact
Alison Stern
Private Parts
Grace Finney
Dickie Roberts: Former Child Star
Gloria Nesstra
Gun Shy
Linda
Full Frontal
Donna Biebe
Mystery, Alaska
Lexi
Right at Your Door
Anna
Other Voices
Moira
Colin Fitz
Pilgrim Woman
For Your Consideration
Daphne
East of A
New Year's Eve Wife (uncredited)
54
Virginia Farrell (uncredited)
Fathers' Day
Agent Becka Anslinger
Harvest
Sally
The Alarmist
Ellen
Should've Been Romeo
Sarah Jackson
Backfire!
Leann
Escape from Polygamy
Michelle Ziegler
True Crime
Amanda
A Country Called Home
Phoebe
BigLove
Sarah Schwab
The Crash
Kay Larkin
An American Girl Story: Maryellen 1955 - Extraordinary Christmas
Bonnie McCormick
Madison
Ms. Richards (voice)
Scooby-Doo! WrestleMania Mystery
Mother
Vicious
Ellen
Drone
Rebecca
Alien Code
Lilith
Treehouse
Leila Lee
Getting to Know You
Self
National Memorial Day Concert
Self
Still Laugh-In: The Stars Celebrate
Margaret
World Traveler
Myrna Foy
Miracle on 34th Street
Debra Clarke
Unpregnant
Hilary Pfeiffer-Dunne
The Unprofessional
Justine Appleton
Murder One: Diary of a Serial Killer
Personal Info
Known For
Acting
Known Credits
42
Gender
Female
Birthday
1969-02-08
Place of Birth
Plainfield, New Jersey, USA
Also Known As
Mary Catherine McCormack