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).
Awards & recognition
- Tony Award — Best Featured Actress in a Play · 2008 · nominated
Filmography50+ titles
The Pitt
The West Wing
The Newsroom
ER
Murder One
The L Word: Generation Q
Law & Order: Criminal Intent
Getting to Know You
Heels
For the People
Scooby-Doo! WrestleMania Mystery
Law & Order
Scandal
K-PAX
In Plain Sight
Unpregnant
The Kids Are Alright
Escape from Polygamy
Miracle on 34th Street
1408
House of Lies
True Crime
Private Parts
Angie Tribeca
Divorce
Match Game
The Broken Hearts Club: A Romantic Comedy
Mystery, Alaska
Deep Impact
High Heels and Low Lifes
Vicious
The Big Tease
54
For Your Consideration
Right at Your Door
Madison
To Tell the Truth
The Ellen DeGeneres Show
Treehouse
Fathers' Day
Alien Code
Still Laugh-In: The Stars Celebrate
Drone
Jimmy Kimmel Live!
Chelsea Does
25 Words or Less
Gun Shy
Chelsea
Dickie Roberts: Former Child Star
Watch What Happens Live with Andy Cohen