
1970Born, Chicago
68Credits
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…
Known for
Grey's AnatomyKate Carlson
The ArtistAdmiring Woman
The Bling RingVegas Detective (Female)
CSI: Crime Scene InvestigationLinley Parker
Tales from the CryptStella Bishop2025The Paper1 episodeShow
2015TogethernessLindsay · 1 episodeShow
2013Monday Mornings1 episodeShow
2010Past LifeSharon Moody · 1 episodeShow
2008Eli StoneKatie Bochner · 1 episodeShow
2007Private PracticeKathleen · 2 episodesShow
2007Saving GraceHeather · 1 episodeShow
2003Cold CaseJulie Vera · 2 episodesShow
2000The Huntress1 episodeShow
1999The West WingEllie Bartlet · 9 episodesShow
1999Judging AmyChristy Wolinsky · 1 episodeShow
1998Sports NightHolly · 1 episodeShow
1998More Tales of the CityMona Ramsey · 6 episodesShow
1994Chicago HopeGloria McKinnon · 1 episodeShow
1993Tales of the CityShow
1992SinatraMia Farrow · 2 episodesShow
1992Red Shoe DiariesTrudy · 1 episodeShow
1989Tales from the CryptStella Bishop · 1 episodeShow
1982American PlayhousePolly Stockman · 1 episodeShow
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