Mary McCormack
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).
Known For
Watch What Happens Live with Andy Cohen
Self - Guest
Law & Order
Rickie the Bartender
The Pitt
Dr. Linda Conley
Law & Order: Criminal Intent
Mary Shannon
The West Wing
Kate Harper
The Late Late Show with Craig Ferguson
Self
Jimmy Kimmel Live!
Self
ER
Debbie
Scandal
Lisa Elliot
Tony Awards
Self - Nominee
The Tonight Show with Jay Leno
25 Words or Less
Self
25 Words or Less
25 Words or Less
Mary McCormack
The Ellen DeGeneres Show
Self
The Newsroom
Molly Levy
Late Night with Jimmy Fallon
Self
In Plain Sight
Mary Shannon
House of Lies
Denna Altshuler
Angie Tribeca
Abigail Liukin
Chelsea
Self
Will & Grace
Janet
To Tell the Truth
Self - Panelist
Deep Impact
Andrea Baker
Murder One
Justine Appleton
The L Word: Generation Q
Anne Finley
Match Game
Self - Panelist
The Late Late Show with Craig Kilborn
Self - Guest
1408
Lilly Enslin
For the People
Chloe Daniels
Divorce
Kathy DeSantis
Heels
Willie Day
True Crime
Michelle Ziegler
Vicious
Mother
Miracle on 34th Street
Myrna Foy
K-PAX
Rachel Powell
Gun Shy
Gloria Nesstra
Drone
Ellen
54
New Year's Eve Wife (uncredited)
Private Parts
Alison Stern