Mary McCormack

Acting

Born February 8, 1969 · Plainfield, New Jersey, USA

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 (2…

Known for

Law & Order

1990

Watch What Happens Live with Andy Cohen

2009

The Late Late Show with Craig Ferguson

2005

The Pitt

2025

Jimmy Kimmel Live!

2003

The West Wing

1999

Law & Order: Criminal Intent

2001

1994

Acting(77)

2025ViciousMother

Film

2025The PittDr. Linda Conley

2023National Memorial Day ConcertSelf

Film