Mary McCormack
Acting
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
Deep Impact
1998
1408
2007
Vicious
2025
K-PAX
2001
Gun Shy
2000
Drone
2017
True Crime
1999
Treehouse
2019
Private Parts
1997
Backfire!
1995
Full Frontal
2002
54
1998
BigLove
2001
Mystery, Alaska
1999
Fathers' Day
1997
Unpregnant
2020