Quick Facts
Born:
1969-02-08
Birthplace:
Plainfield, New Jersey, USA
Credits:
78 Total Roles
Mary McCormack
Acting
The MovieWise Take
Refining cinematic analysis...
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
1408
Lilly Enslin
Deep Impact
Andrea Baker
K-PAX
Rachel Powell
Miracle on 34th Street
Myrna Foy
ER
Debbie
True Crime
Michelle Ziegler
The Newsroom
Molly Levy
Law & Order
Rickie the Bartender
Full Filmography
| Year | Title | Role |
|---|---|---|
| 2025 | Vicious MOVIE | Mother |
| 2025 | The Pitt TV | Dr. Linda Conley |
| 2023 | National Memorial Day Concert MOVIE | Self |
| 2021 | Heels TV | Willie Day |
| 2020 | Unpregnant MOVIE | Debra Clarke |
| 2019 | The L Word: Generation Q TV | Anne Finley |
| 2019 | Still Laugh-In: The Stars Celebrate MOVIE | Self |
| 2019 | Treehouse MOVIE | Lilith |
| 2018 | The Kids Are Alright TV | Peggy Cleary |
| 2018 | 25 Words or Less TV | Self |