Mary McCormack

 Mary Catherine McCormack was born on February 8 in 1969. She has played lead roles on the show as Justine Appleton on the series Murder One (1995-97), as Deputy National Security Advisor Kate Harper on The West Wing (2004-06) and as Deputy U.S. Marshal Mary Shannon on In Plain Sight (2008-12), and as Peggy on the comedy series The Kids Are Alright (2018-19).McCormack's film roles include Private Parts (1997), Deep Impact (1998), True Crime (1999), Mystery, Alaska (1999), K-PAX (2001), Dickie Roberts: Former Child Star (2003) and 1408 (2007).McCormack was born in Plainfield, New Jersey. She is the daughter of clinical therapist Norah and car dealership owner and owner of an ice cream restaurant William McCormack.Her parents divorced in the year 1990. Bridget was her sibling, and was the chief justice of Michigan Supreme Court. She is also an instructor at the University of Michigan Law School. William, her brother, is an actor and writer[6]. He has a recurring part in the film In Plain Sight as FBI agent Robert O'Connor.