About Mary McCormack
Mary McCormack (born February 8, 1969) 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). 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 nominated for the 2008 Tony Award for Best Performance by a Featured Actress in a Play for the role of Gretchen in the 2008 Broadway revival of Boeing Boeing. In 1987, McCormack graduated from the Wardlaw-Hartridge School in Edison, New Jersey.
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.