From Wikipedia, the free encyclopedia Mary Catherine McCormack (born February 8, 1969) is an American actress. Best known for her work in television, she has had leading roles as Justine Appleton on Murder One, as Kate Harper on The West Wing and as Mary Shannon on In Plain Sight. Her film roles include Private Parts (1997), Deep Impact (1998), True Crime (1999), High Heels and Low Lifes (2001), K-PAX (2001), Right at Your Door (2006) and 1408 (2007). Description above from the Wikipedia article Mary McCormack, licensed under CC-BY-SA, full list of contributors can be found on Wikipedia.
K-PAX
(Rachel Powell)
1408
(Lilly Enslin)
High Heels and Low Lifes
(Frances)
The Big Tease
(Monique)
The Broken Hearts Club: A Romantic Comedy
(Anne)
Deep Impact
(Andrea Baker)
Private Parts
(Alison Stern)
Dickie Roberts: Former Child Star
(Grace Finney)
Gun Shy
(Gloria Nesstra)
Full Frontal
(Linda)
Mystery, Alaska
(Donna Biebe)
Right at Your Door
(Lexi)
Other Voices
(Anna)
Colin Fitz
(Moira)
For Your Consideration
(Pilgrim Woman)
East of A
(Daphne)
54
(New Year's Eve Wife (uncredited))
Fathers' Day
(Virginia Farrell (uncredited))
Harvest
(Agent Becka Anslinger)
The Alarmist
(Sally)
Should've Been Romeo
(Ellen)
Backfire!
(Sarah Jackson)
Escape from Polygamy
(Leann)
True Crime
(Michelle Ziegler)
A Country Called Home
(Amanda)
BigLove
(Phoebe)
The Crash
(Sarah Schwab)
An American Girl Story: Maryellen 1955 - Extraordinary Christmas
(Kay Larkin)
Madison
(Bonnie McCormick)
Scooby-Doo! WrestleMania Mystery
(Ms. Richards (voice))
Vicious
Drone
(Ellen)
Alien Code
(Rebecca)
Treehouse
(Lilith)
Getting to Know You
(Leila Lee)
National Memorial Day Concert
(Self)
Still Laugh-In: The Stars Celebrate
(Self)
World Traveler
(Margaret)
Miracle on 34th Street
(Myrna Foy)
Unpregnant
(Debra Clarke)
The Ellen DeGeneres Show
(Self)
Murder One
(Justine Appleton)
ER
(Debbie)
In Plain Sight
(Mary Shannon)
K Street
(Maggie Morris)
House of Lies
(Denna Altshuler)
Traffic
(Carole McKay)
The Wright Verdicts
(Beth Eckhart)
The Late Late Show with Craig Kilborn
(Self - Guest)
Welcome to the Family
(Caroline Yoder)
The West Wing
(Kate Harper)
The Late Late Show with Craig Ferguson
(Self)
Tony Awards
(Self - Nominee)
Chelsea Does
(Herself)
Loaded
(Casey)
Chelsea
(Self)
Divorce
(Kathy DeSantis)
Angie Tribeca
(Abigail Liukin)
Law & Order
(Rickie the Bartender)
Match Game
(Self - Panelist)
The Kids Are Alright
(Peggy Cleary)
The Tonight Show with Jay Leno
Watch What Happens Live with Andy Cohen
(Self - Guest)
Scandal
(Lisa Elliot)
To Tell the Truth
(Self - Panelist)
For The People
(Chloe Daniels)
25 Words or Less
Will & Grace
(Janet)
The L Word: Generation Q
(Anne Finley)
Law & Order: Criminal Intent
(Mary Shannon)
Late Night with Jimmy Fallon
(Self)
Heels
(Willie Day)
The Newsroom
(Molly Levy)