Mary McCormack

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).

Personal Info

Known For Acting

Gender Female

Birthday February 8, 1969

Place of Birth Plainfield, New Jersey, United States

Filmography

2025

Vicious

as Mother

Movie

1994

Miracle on 34th Street

as Myrna Foy

Movie