Mary Catherine McCormack (born February 8, 1969) is an American actress. She has had leading roles as Justine Appleton in the series Murder One (1995–97), as Deputy National Security Adviser Kate Harper in The West Wing (2004–06) and as Mary Shannon in In Plain Sight (2008–12).

Her film roles include Private Parts (1997); Deep Impact (1998); True Crime (1999); High Heels and Low Lifes (2001); K-PAX (2001); Right at Your Door (2006), and 1408 (2007).

Biography

In July 2003, McCormack married director and producer Michael Morris. They have three daughters, Margaret (born c. 2004), Rose (born c. 2007), and Lillian (born 2011).

McCormack is the godmother of In Plain Sight co-star Fred Weller's daughter.

In late 2013, McCormack became estranged from Morris, when he had an affair with Katharine McPhee, an actress on the television series Smash, for which he was a director. The couple had reconciled by mid-2014.

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