
Mary McCormack
Known For
Acting
Born
1969-02-08 in 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).
Most Known For

Law & Order
as Rickie the Bartender

Watch What Happens Live with Andy Cohen
as Self - Guest

The West Wing
as Kate Harper

ER
as Debbie

Scandal
as Lisa Elliot

Law & Order: Criminal Intent
as Mary Shannon

The Late Late Show with Craig Ferguson
as Self

The Ellen DeGeneres Show
as Self

The Tonight Show with Jay Leno

Angie Tribeca
as Abigail Liukin

Will & Grace
as Janet

The Newsroom
as Molly Levy

25 Words or Less
as Self

25 Words or Less

25 Words or Less
as Mary McCormack

Chelsea
as Self

In Plain Sight
as Mary Shannon

Late Night with Jimmy Fallon
as Self

House of Lies
as Denna Altshuler

Match Game
as Self - Panelist