Mary McCormack

Personal Info

Known For

Acting

Known Credits

77

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

  • The West Wing

    The West Wing

  • Law & Order: Criminal Intent

    Law & Order: Criminal Intent

  • The Late Late Show with Craig Ferguson

    The Late Late Show with Craig Ferguson

  • Scandal

    Scandal

  • ER

    ER

  • Tony Awards

    Tony Awards

  • The Ellen DeGeneres Show

    The Ellen DeGeneres Show

  • Miracle on 34th Street

    Miracle on 34th Street

  • Vicious

    Vicious

  • The Tonight Show with Jay Leno

    The Tonight Show with Jay Leno

  • 25 Words or Less

    25 Words or Less

  • 25 Words or Less

    25 Words or Less

  • 25 Words or Less

    25 Words or Less

  • The Newsroom

    The Newsroom

  • In Plain Sight

    In Plain Sight

  • House of Lies

    House of Lies

  • Chelsea

    Chelsea

  • Late Night with Jimmy Fallon

    Late Night with Jimmy Fallon

  • The L Word: Generation Q

    The L Word: Generation Q

  • Match Game

    Match Game

  • Angie Tribeca

    Angie Tribeca

  • Dickie Roberts: Former Child Star

    Dickie Roberts: Former Child Star

  • To Tell the Truth

    To Tell the Truth

  • Will & Grace

    Will & Grace

  • 1408

    1408

  • Murder One

    Murder One

  • Deep Impact

    Deep Impact

  • The Crash

    The Crash

  • Alien Code

    Alien Code

  • Unpregnant

    Unpregnant

  • The Late Late Show with Craig Kilborn

    The Late Late Show with Craig Kilborn

  • For The People

    For The People

  • Divorce

    Divorce

  • K-PAX

    K-PAX

  • Drone

    Drone

  • Full Frontal

    Full Frontal

  • Madison

    Madison

  • Treehouse

    Treehouse

  • Harvest

    Harvest

  • Other Voices

    Other Voices

  • Heels

    Heels

  • 54

    54

  • BigLove

    BigLove

  • The Alarmist

    The Alarmist

  • Scooby-Doo! WrestleMania Mystery

    Scooby-Doo! WrestleMania Mystery

  • Mystery, Alaska

    Mystery, Alaska

  • True Crime

    True Crime

  • Backfire!

    Backfire!

  • Private Parts

    Private Parts

  • World Traveler

    World Traveler

  • A Country Called Home

    A Country Called Home

  • Gun Shy

    Gun Shy

  • The Broken Hearts Club: A Romantic Comedy

    The Broken Hearts Club: A Romantic Comedy

  • Escape from Polygamy

    Escape from Polygamy

  • High Heels and Low Lifes

    High Heels and Low Lifes

  • The Big Tease

    The Big Tease

  • K Street

    K Street

  • Right at Your Door

    Right at Your Door

  • The Unprofessional

    The Unprofessional

  • Getting to Know You

    Getting to Know You

  • The Kids Are Alright

    The Kids Are Alright

  • An American Girl Story: Maryellen 1955 - Extraordinary Christmas

    An American Girl Story: Maryellen 1955 - Extraordinary Christmas

  • For Your Consideration

    For Your Consideration

  • Murder One: Diary of a Serial Killer

    Murder One: Diary of a Serial Killer

  • Colin Fitz

    Colin Fitz

  • Fathers' Day

    Fathers' Day

  • East of A

    East of A

  • Traffic

    Traffic

  • Still Laugh-In: The Stars Celebrate

    Still Laugh-In: The Stars Celebrate

  • Should've Been Romeo

    Should've Been Romeo

  • Welcome to the Family

    Welcome to the Family

  • Loaded

    Loaded

  • The Wright Verdicts

    The Wright Verdicts

  • National Memorial Day Concert

    National Memorial Day Concert

  • Chelsea Does

    Chelsea Does