Mary McCormack
Actor
Born Feb 8, 1969 · Plainfield, New Jersey, USA
Active 1990–present
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.
Filmography
Vicious (2025) - MotherThe Pitt (2025) - Dr. Linda ConleyHeels (2021) - Willie DayUnpregnant (2020) - Debra ClarkeThe L Word: Generation Q (2019) - Anne FinleyWill & Grace (2017) - JanetScooby-Doo! WrestleMania Mystery (2014) - Ms. Richards (voice)The Newsroom (2012) - Molly LevyScandal (2012) - Lisa ElliotHouse of Lies (2012) - Denna AltshulerIn Plain Sight (2008) - Mary Shannon1408 (2007) - Lilly EnslinRight at Your Door (2006) - LexiK-PAX (2001) - Rachel PowellLaw & Order: Criminal Intent (2001) - Mary ShannonThe West Wing (1999) - Kate HarperTrue Crime (1999) - Michelle ZieglerMystery, Alaska (1999) - Donna BiebeDeep Impact (1998) - Andrea Baker54 (1998) - New Year's Eve Wife (uncredited)Private Parts (1997) - Alison SternER (1994) - DebbieMiracle on 34th Street (1994) - Myrna FoyLaw & Order (1990) - Rickie the Bartender