Mary McCormack
Known For
Acting
Gender
Female
Birthday
Feb 8, 1969 (57 years old)
Place of Birth
Plainfield, New Jersey, USA
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
| 2025 | ViciousMother | |
| 2025 | The PittDr. Linda Conley | |
| 2023 | National Memorial Day ConcertSelf | |
| 2021 | HeelsWillie Day | |
| 2020 | UnpregnantDebra Clarke | |
| 2019 | TreehouseLilith | |
| 2019 | Still Laugh-In: The Stars CelebrateSelf | |
| 2019 | The L Word: Generation QAnne Finley | |
| 2018 | The Kids Are AlrightPeggy Cleary | |
| 2018 | For the PeopleChloe Daniels | |
| 2018 | 25 Words or LessSelf | |
| 2018 | 25 Words or Less | |
| 2018 | 25 Words or LessMary McCormack | |
| 2017 | The CrashSarah Schwab | |
| 2017 | DroneEllen | |
| 2017 | Alien CodeRebecca | |
| 2017 | LoadedCasey | |
| 2017 | Will & GraceJanet | |
| 2016 | A Country Called HomeAmanda | |
| 2016 | An American Girl Story: Maryellen 1955 - Extraordinary ChristmasKay Larkin | |
| 2016 | Chelsea DoesHerself | |
| 2016 | ChelseaSelf | |
| 2016 | DivorceKathy DeSantis | |
| 2016 | Angie TribecaAbigail Liukin | |
| 2016 | Match GameSelf - Panelist | |
| 2016 | To Tell the TruthSelf - Panelist | |
| 2014 | Scooby-Doo! WrestleMania MysteryMs. Richards (voice) | |
| 2013 | Escape from PolygamyLeann | |
| 2013 | Welcome to the FamilyCaroline Yoder | |
| 2012 | Should've Been RomeoEllen | |
| 2012 | The UnprofessionalHilary Pfeiffer-Dunne | |
| 2012 | House of LiesDenna Altshuler | |
| 2012 | ScandalLisa Elliot | |
| 2012 | The NewsroomMolly Levy | |
| 2009 | Watch What Happens Live with Andy CohenSelf - Guest | |
| 2009 | Late Night with Jimmy FallonSelf | |
| 2008 | In Plain SightMary Shannon | |
| 2007 | 1408Lilly Enslin | |
| 2006 | Right at Your DoorLexi | |
| 2006 | For Your ConsiderationPilgrim Woman | |
| 2005 | MadisonBonnie McCormick | |
| 2005 | The Late Late Show with Craig FergusonSelf | |
| 2004 | TrafficCarole McKay | |
| 2003 | Dickie Roberts: Former Child StarGrace Finney | |
| 2003 | The Ellen DeGeneres ShowSelf | |
| 2003 | K StreetMaggie Morris | |
| 2002 | Full FrontalLinda | |
| 2002 | World TravelerMargaret | |
| 2001 | K-PAXRachel Powell | |
| 2001 | High Heels and Low LifesFrances | |
| 2001 | BigLovePhoebe | |
| 2001 | Law & Order: Criminal IntentMary Shannon | |
| 2000 | The Broken Hearts Club: A Romantic ComedyAnne | |
| 2000 | Gun ShyGloria Nesstra | |
| 2000 | Other VoicesAnna | |
| 2000 | East of ADaphne | |
| 1999 | The Big TeaseMonique | |
| 1999 | Mystery, AlaskaDonna Biebe | |
| 1999 | HarvestAgent Becka Anslinger | |
| 1999 | True CrimeMichelle Ziegler | |
| 1999 | Getting to Know YouLeila Lee | |
| 1999 | The Late Late Show with Craig KilbornSelf - Guest | |
| 1999 | The West WingKate Harper | |
| 1998 | Deep ImpactAndrea Baker | |
| 1998 | 54New Year's Eve Wife (uncredited) | |
| 1998 | The AlarmistSally | |
| 1997 | Private PartsAlison Stern | |
| 1997 | Colin FitzMoira | |
| 1997 | Fathers' DayVirginia Farrell (uncredited) | |
| 1997 | Murder One: Diary of a Serial KillerJustine Appleton | |
| 1995 | Backfire!Sarah | |
| 1995 | Murder OneJustine Appleton | |
| 1995 | The Wright VerdictsBeth Eckhart | |
| 1994 | Miracle on 34th StreetMyrna Foy | |
| 1994 | ERDebbie | |
| 1992 | The Tonight Show with Jay Leno | |
| 1990 | Law & OrderRickie the Bartender | |
| 1956 | Tony AwardsSelf - Nominee |