
Mary McCormack
1 FOLLOWER • 35 CREDITS • FEB 8, 1969 • 56
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: Criminal Intent

Watch What Happens Live with Andy Cohen

The Tonight Show with Jay Leno

Scandal

The Ellen DeGeneres Show

Tony Awards

The Late Late Show with Craig Ferguson

ER

Chelsea

Late Night with Jimmy Fallon

The Newsroom

Will & Grace

For The People

The L Word: Generation Q

The Late Late Show with Craig Kilborn

Chelsea Does

Divorce

54

Still Laugh-In: The Stars Celebrate

Miracle on 34th Street

Deep Impact

True Crime

The West Wing

Unpregnant

House of Lies

Scooby-Doo! WrestleMania Mystery

Heels

Welcome to the Family

Private Parts

1408

Drone

Treehouse

An American Girl Story: Maryellen 1955 - Extraordinary Christmas

K Street

Law & Order
Originals for Peacock TV
Keep up with all Peacock TV Originals effortlessly using the Unofficial app, which notifies you of release dates, updates, and actor-related news, ensuring you're always the first to know!
Get
