Mary McCormack

Personal Info

Known For

Acting

Known Credits

76

Gender

Female

Birthday

1969-02-08 (56 years old)

Place of Birth

Plainfield, New Jersey, USA

Mary McCormack

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

  • Law & Order

    Law & Order

  • Watch What Happens Live with Andy Cohen

    Watch What Happens Live with Andy Cohen

  • Law & Order: Criminal Intent

    Law & Order: Criminal Intent

  • The West Wing

    The West Wing

  • The Late Late Show with Craig Ferguson

    The Late Late Show with Craig Ferguson

  • ER

    ER

  • Scandal

    Scandal

  • The Tonight Show with Jay Leno

    The Tonight Show with Jay Leno

  • The Ellen DeGeneres Show

    The Ellen DeGeneres Show

  • Angie Tribeca

    Angie Tribeca

  • Vicious

    Vicious

  • To Tell the Truth

    To Tell the Truth

  • Chelsea

    Chelsea

  • The Newsroom

    The Newsroom

  • In Plain Sight

    In Plain Sight

  • 25 Words or Less

    25 Words or Less

  • 25 Words or Less

    25 Words or Less

  • 25 Words or Less

    25 Words or Less

  • Late Night with Jimmy Fallon

    Late Night with Jimmy Fallon

  • Match Game

    Match Game

  • Will & Grace

    Will & Grace

  • Murder One

    Murder One

  • 1408

    1408

  • Full Frontal

    Full Frontal

  • House of Lies

    House of Lies

  • The Late Late Show with Craig Kilborn

    The Late Late Show with Craig Kilborn

  • Drone

    Drone

  • The L Word: Generation Q

    The L Word: Generation Q

  • Madison

    Madison

  • For Your Consideration

    For Your Consideration

  • Divorce

    Divorce

  • Treehouse

    Treehouse

  • For the People

    For the People

  • Deep Impact

    Deep Impact

  • The Unprofessional

    The Unprofessional

  • Harvest

    Harvest

  • Gun Shy

    Gun Shy

  • BigLove

    BigLove

  • Private Parts

    Private Parts

  • Backfire!

    Backfire!

  • Heels

    Heels

  • K-PAX

    K-PAX

  • Mystery, Alaska

    Mystery, Alaska

  • Miracle on 34th Street

    Miracle on 34th Street

  • The Big Tease

    The Big Tease

  • The Kids Are Alright

    The Kids Are Alright

  • 54

    54

  • K Street

    K Street

  • True Crime

    True Crime

  • Traffic

    Traffic

  • Fathers' Day

    Fathers' Day

  • Dickie Roberts: Former Child Star

    Dickie Roberts: Former Child Star

  • The Broken Hearts Club: A Romantic Comedy

    The Broken Hearts Club: A Romantic Comedy

  • Scooby-Doo! WrestleMania Mystery

    Scooby-Doo! WrestleMania Mystery

  • Unpregnant

    Unpregnant

  • Welcome to the Family

    Welcome to the Family

  • Loaded

    Loaded

  • The Wright Verdicts

    The Wright Verdicts

  • Right at Your Door

    Right at Your Door

  • Alien Code

    Alien Code

  • The Crash

    The Crash

  • Chelsea Does

    Chelsea Does

  • High Heels and Low Lifes

    High Heels and Low Lifes

  • World Traveler

    World Traveler

  • National Memorial Day Concert

    National Memorial Day Concert

  • The Alarmist

    The Alarmist

  • A Country Called Home

    A Country Called Home

  • Murder One: Diary of a Serial Killer

    Murder One: Diary of a Serial Killer

  • Escape from Polygamy

    Escape from Polygamy

  • Other Voices

    Other Voices

  • Still Laugh-In: The Stars Celebrate

    Still Laugh-In: The Stars Celebrate

  • Should've Been Romeo

    Should've Been Romeo

  • Getting to Know You

    Getting to Know You

  • East of A

    East of A

  • Colin Fitz

    Colin Fitz

  • An American Girl Story: Maryellen 1955 - Extraordinary Christmas

    An American Girl Story: Maryellen 1955 - Extraordinary Christmas