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Mary McCormack

Mary McCormack

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).

More Details at TMDB

ACTING

K-PAX (2001)
K-PAX (2001)
1408 (2007)
1408 (2007)
High Heels and Low Lifes (2001)
High Heels and Low Lifes (2001)
The Big Tease (1999)
The Big Tease (1999)
The Broken Hearts Club: A Romantic Comedy (2000)
The Broken Hearts Club: A Romantic Comedy (2000)
Deep Impact (1998)
Deep Impact (1998)
Private Parts (1997)
Private Parts (1997)
Dickie Roberts: Former Child Star (2003)
Dickie Roberts: Former Child Star (2003)
Gun Shy (2000)
Gun Shy (2000)
Full Frontal (2002)
Full Frontal (2002)
Mystery, Alaska (1999)
Mystery, Alaska (1999)
Right at Your Door (2006)
Right at Your Door (2006)
Other Voices (2000)
Other Voices (2000)
Colin Fitz (1997)
Colin Fitz (1997)
For Your Consideration (2006)
For Your Consideration (2006)
54 (1998)
54 (1998)
Fathers' Day (1997)
Fathers' Day (1997)
East of A (2000)
East of A (2000)
Harvest (1999)
Harvest (1999)
The Alarmist (1998)
The Alarmist (1998)
Should've Been Romeo (2012)
Should've Been Romeo (2012)
Backfire! (1995)
Backfire! (1995)
Escape from Polygamy (2013)
Escape from Polygamy (2013)
True Crime (1999)
True Crime (1999)
A Country Called Home (2016)
A Country Called Home (2016)
BigLove (2001)
BigLove (2001)
The Crash (2017)
The Crash (2017)
An American Girl Story: Maryellen 1955 - Extraordinary Christmas (2016)
An American Girl Story: Maryellen 1955 - Extraordinary Christmas (2016)
Madison (2005)
Madison (2005)
Scooby-Doo! WrestleMania Mystery (2014)
Scooby-Doo! WrestleMania Mystery (2014)
Vicious (2025)
Vicious (2025)
Drone (2017)
Drone (2017)
Alien Code (2017)
Alien Code (2017)
Treehouse (2019)
Treehouse (2019)
Getting to Know You (1999)
Getting to Know You (1999)
National Memorial Day Concert (2023)
National Memorial Day Concert (2023)
Still Laugh-In: The Stars Celebrate (2019)
Still Laugh-In: The Stars Celebrate (2019)
World Traveler (2002)
World Traveler (2002)
Miracle on 34th Street (1994)
Miracle on 34th Street (1994)
Unpregnant (2020)
Unpregnant (2020)
The Unprofessional (2012)
The Unprofessional (2012)
Murder One: Diary of a Serial Killer (1997)
Murder One: Diary of a Serial Killer (1997)
The Ellen DeGeneres Show (2003)
The Ellen DeGeneres Show (2003)
Murder One (1995)
Murder One (1995)
ER (1994)
ER (1994)
In Plain Sight (2008)
In Plain Sight (2008)
K Street (2003)
K Street (2003)
House of Lies (2012)
House of Lies (2012)
Traffic (2004)
Traffic (2004)
The Wright Verdicts (1995)
The Wright Verdicts (1995)
The Late Late Show with Craig Kilborn (1999)
The Late Late Show with Craig Kilborn (1999)
Welcome to the Family (2013)
Welcome to the Family (2013)
The West Wing (1999)
The West Wing (1999)
The Late Late Show with Craig Ferguson (2005)
The Late Late Show with Craig Ferguson (2005)
Chelsea Does (2016)
Chelsea Does (2016)
Loaded (2017)
Loaded (2017)
Chelsea (2016)
Chelsea (2016)
Divorce (2016)
Divorce (2016)
Angie Tribeca (2016)
Angie Tribeca (2016)
Law & Order (1990)
Law & Order (1990)
Match Game (2016)
Match Game (2016)
The Kids Are Alright (2018)
The Kids Are Alright (2018)
The Tonight Show with Jay Leno (1992)
The Tonight Show with Jay Leno (1992)
Watch What Happens Live with Andy Cohen (2009)
Watch What Happens Live with Andy Cohen (2009)
Scandal (2012)
Scandal (2012)
To Tell the Truth (2016)
To Tell the Truth (2016)
For the People (2018)
For the People (2018)
25 Words or Less (2018)
25 Words or Less (2018)
Will & Grace (2017)
Will & Grace (2017)
The L Word: Generation Q (2019)
The L Word: Generation Q (2019)
Law & Order: Criminal Intent (2001)
Law & Order: Criminal Intent (2001)
Late Night with Jimmy Fallon (2009)
Late Night with Jimmy Fallon (2009)
Heels (2021)
Heels (2021)
The Newsroom (2012)
The Newsroom (2012)
25 Words or Less (2018)
25 Words or Less (2018)
25 Words or Less (2018)
25 Words or Less (2018)
Tony Awards (1956)
Tony Awards (1956)
The Pitt (2025)
The Pitt (2025)
Jimmy Kimmel Live! (2003)
Jimmy Kimmel Live! (2003)