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Mary McCormack

Personal Info

Known For

Acting

Birthdate

1969-02-08 (Age: 57)

Place of Birth

Plainfield, New Jersey, USA

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).

Filmography (42)

⭐ 6.0 Role: Mother

Vicious

2025
⭐ 2.0 Role: Self

National Memorial Day Concert

2023
⭐ 6.9 Role: Debra Clarke

Unpregnant

2020
⭐ 5.3 Role: Self

Still Laugh-In: The Stars Celebrate

2019
⭐ 5.5 Role: Lilith

Treehouse

2019
⭐ 5.3 Role: Ellen

Drone

2017
⭐ 5.4 Role: Rebecca

Alien Code

2017
⭐ 4.5 Role: Sarah Schwab

The Crash

2017
⭐ 7.8 Role: Kay Larkin

An American Girl Story: Maryellen 1955 - Extraordinary Christmas

2016
⭐ 5.3 Role: Amanda

A Country Called Home

2016
⭐ 7.3 Role: Ms. Richards (voice)

Scooby-Doo! WrestleMania Mystery

2014
⭐ 6.8 Role: Leann

Escape from Polygamy

2013
⭐ 4.3 Role: Ellen

Should've Been Romeo

2012
No Image
⭐ 0 Role: Hilary Pfeiffer-Dunne

The Unprofessional

2012
⭐ 6.7 Role: Lilly Enslin

1408

2007