Mary McCormack
Actor

Mary McCormack

Mary McCormack is credited on 31 movies and 18 TV shows, best known by TMDB votes for 1408, Deep Impact and K-PAX.

Born February 8, 1969 in Plainfield, New Jersey, USA.

Filmography · 49 titles

US streaming apps shown for the 12 best-known titles, checked October 5, 2026. Tap any title for where it streams and what it costs.

About 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...

Biography from TMDB, written by its community.

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