Biography
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
★6.71408
★6.3Deep Impact
★7.2K-PAX
★6.8Miracle on 34th Street
★8.7The Pitt
★7.8ER
★6.5True Crime
★8.1The Newsroom
★7.3Law & Order
★7.2Scandal
★8.3The West Wing
★5.954
★6.5Private Parts
★7.6Law & Order: Criminal Intent
★7.3Scooby-Doo! WrestleMania Mystery
★6.8Unpregnant
★5.5Fathers' Day
★6.0Vicious
★6.3Mystery, Alaska
★5.3Drone
★5.8Right at Your Door
★6.6House of Lies
★5.1Dickie Roberts: Former Child Star
★5.8For Your Consideration
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