About
Antonina Jadwiga Siemaszko (born July 14, 1970) is an American actress, best known for her film roles in Little Noises (1991), The Saint of Fort Washington (1993), and for her role as Eleanor Bartlet in The West Wing (2001–2006). Siemaszko was born in Chicago. Her father, Konstanty Siemaszko, was a Polish-born Roman Catholic, and a survivor of the Polish Underground and the Sachsenhausen concentration camp. He escaped to the United Kingdom where he met Nina's mother, Collette McAllister. One of her brothers is actor Casey Siemaszko. Her other brother, Corky, is a writer for the Daily News and a reporter at NBC News. She attended The Theatre School at DePaul University. She played an undercover cop in Reservoir Dogs featured in a scene that wound up on the cutting room floor ensuring that the work became a rare example of a film containing no dialogue delivered by an actress. It was...
Known for
Grey's AnatomySeries • 2005
CSI: Crime Scene InvestigationSeries • 2000
Law & Order: Criminal IntentSeries • 2001
The West WingSeries • 1999
Without a TraceSeries • 2002
Cold CaseSeries • 2003
Chicago HopeSeries • 1994
American PlayhouseSeries • 1982
Private PracticeSeries • 2007
Judging AmySeries • 1999
Tales from the CryptSeries • 1989
The GuardianSeries • 2001
Saving GraceSeries • 2007
Red Shoe DiariesSeries • 1992
Sports NightSeries • 1998
The PaperSeries • 2025
Eli StoneSeries • 2008
TogethernessSeries • 2015
Past LifeSeries • 2010
The HuntressSeries • 2000
Tales of the CitySeries • 1993
The ArtistMovie • 2011
The Bling RingMovie • 2013
More Tales of the CitySeries • 1998