Mary McCormack

Mary McCormack

Acting
Born 1969-02-08Plainfield, 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).

Movies (42)

Deep Impact
6.2

Deep Impact

1998Movie6.2
K-PAX
7.2

K-PAX

2001Movie7.2
1408
6.7

1408

2007Movie6.7
Miracle on 34th Street
6.8

Miracle on 34th Street

1994Movie6.8
True Crime
6.5

True Crime

1999Movie6.5
54
5.9

54

1998Movie5.9
Private Parts
6.5

Private Parts

1997Movie6.5
Vicious
6.0

Vicious

2025Movie6.0
Gun Shy
5.2

Gun Shy

2000Movie5.2
Full Frontal
4.6

Full Frontal

2002Movie4.6
For Your Consideration
5.8

For Your Consideration

2006Movie5.8
Fathers' Day
5.5

Fathers' Day

1997Movie5.5
Alien Code
5.4

Alien Code

2017Movie5.4
Treehouse
5.5

Treehouse

2019Movie5.5
Drone
5.3

Drone

2017Movie5.3
Dickie Roberts: Former Child Star
5.1

Dickie Roberts: Former Child Star

2003Movie5.1
Mystery, Alaska
6.3

Mystery, Alaska

1999Movie6.3
Backfire!
3.4

Backfire!

1995Movie3.4
Scooby-Doo! WrestleMania Mystery
7.3

Scooby-Doo! WrestleMania Mystery

2014Movie7.3
The Broken Hearts Club: A Romantic Comedy
6.3

The Broken Hearts Club: A Romantic Comedy

2000Movie6.3
High Heels and Low Lifes
6.1

High Heels and Low Lifes

2001Movie6.1
The Alarmist
4.5

The Alarmist

1998Movie4.5
Murder One: Diary of a Serial Killer
7.0

Murder One: Diary of a Serial Killer

1997Movie7.0
Still Laugh-In: The Stars Celebrate
5.3

Still Laugh-In: The Stars Celebrate

2019Movie5.3
Right at Your Door
5.9

Right at Your Door

2006Movie5.9
The Big Tease
5.9

The Big Tease

1999Movie5.9
The Crash
4.5

The Crash

2017Movie4.5
Unpregnant
6.8

Unpregnant

2020Movie6.8
Harvest
4.3

Harvest

1999Movie4.3
World Traveler
4.1

World Traveler

2002Movie4.1
Escape from Polygamy
6.7

Escape from Polygamy

2013Movie6.7
BigLove
7.5

BigLove

2001Movie7.5
A Country Called Home
5.3

A Country Called Home

2016Movie5.3
Madison
5.8

Madison

2005Movie5.8
The Unprofessional
2.0

The Unprofessional

2012Movie2.0
Should've Been Romeo
3.8

Should've Been Romeo

2012Movie3.8
East of A
10.0

East of A

2000Movie10.0
Getting to Know You
7.6

Getting to Know You

1999Movie7.6
An American Girl Story: Maryellen 1955 - Extraordinary Christmas
7.8

An American Girl Story: Maryellen 1955 - Extraordinary Christmas

2016Movie7.8
Colin Fitz
6.3

Colin Fitz

1997Movie6.3
Other Voices
4.0

Other Voices

2000Movie4.0
National Memorial Day Concert
2.0

National Memorial Day Concert

2023Movie2.0

TV Shows (35)

Watch What Happens Live with Andy Cohen
4.9

Watch What Happens Live with Andy Cohen

2009Series4.9
Law & Order
7.3

Law & Order

1990Series7.3
Law & Order: Criminal Intent
7.6

Law & Order: Criminal Intent

2001Series7.6
The Pitt
8.7

The Pitt

2025Series8.7
The West Wing
8.3

The West Wing

1999Series8.3
The Late Late Show with Craig Ferguson
6.8

The Late Late Show with Craig Ferguson

2005Series6.8
Jimmy Kimmel Live!
5.3

Jimmy Kimmel Live!

2003Series5.3
Scandal
7.2

Scandal

2012Series7.2
The Tonight Show with Jay Leno
5.4

The Tonight Show with Jay Leno

1992Series5.4
ER
7.8

ER

1994Series7.8
25 Words or Less
5.2

25 Words or Less

2018Series5.2
The Ellen DeGeneres Show
5.6

The Ellen DeGeneres Show

2003Series5.6
Tony Awards

Tony Awards

1956Series
In Plain Sight
7.0

In Plain Sight

2008Series7.0
The Newsroom
8.1

The Newsroom

2012Series8.1
Will & Grace
7.5

Will & Grace

2017Series7.5
Chelsea
5.1

Chelsea

2016Series5.1
House of Lies
6.6

House of Lies

2012Series6.6
Late Night with Jimmy Fallon
5.9

Late Night with Jimmy Fallon

2009Series5.9
To Tell the Truth
5.8

To Tell the Truth

2016Series5.8
Match Game
6.4

Match Game

2016Series6.4
Angie Tribeca
6.4

Angie Tribeca

2016Series6.4
Murder One
7.7

Murder One

1995Series7.7
Divorce
6.5

Divorce

2016Series6.5
The L Word: Generation Q
7.6

The L Word: Generation Q

2019Series7.6
Heels
7.4

Heels

2021Series7.4
The Late Late Show with Craig Kilborn
5.3

The Late Late Show with Craig Kilborn

1999Series5.3
For the People
7.2

For the People

2018Series7.2
Traffic
6.5

Traffic

2004Series6.5
The Kids Are Alright
6.8

The Kids Are Alright

2018Series6.8
K Street
4.9

K Street

2003Series4.9
Welcome to the Family
5.3

Welcome to the Family

2013Series5.3
Loaded
6.4

Loaded

2017Series6.4
The Wright Verdicts
10.0

The Wright Verdicts

1995Series10.0
Chelsea Does
5.4

Chelsea Does

2016Series5.4