Person
Nina Siemaszko
Chicago, Illinois, USA
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 ro…
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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 released on DVD. She played Mia Farrow in the CBS miniseries Sinatra. She played the leading role in Wild Orchid II: Two Shades of Blue.
Filmography
Movies and shows, newest first
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2025
The Paper
TV show
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2018
Hailey Dean Mysteries: A Will to Kill
Movie Olivia
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2017
The Hatred
Movie Miriam
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2015
Togetherness
TV show Lindsay
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2013
The Bling Ring
Movie Vegas Detective (Female)
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2013
Monday Mornings
TV show
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2011
The Artist
Movie Admiring Woman
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2010
Past Life
TV show Sharon Moody
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2008
The Haunting of Molly Hartley
Movie Dr. Emerson
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2008
Eli Stone
TV show Katie Bochner
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2007
Private Practice
TV show Kathleen
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2007
Saving Grace
TV show Heather
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2007
Mystery Woman: In the Shadows
Movie Cassie Hillman
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2006
Mystery Woman: Redemption
Movie Cassie Hillman
-
2006
Mystery Woman: Oh Baby
Movie Cassie Hillman
-
2006
Mystery Woman: Wild West Mystery
Movie Cassie Hillman
More credits
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2006
Mystery Woman: At First Sight
Movie Cassie Hillman
-
2005
Mystery Woman: Game Time
Movie Cassie Hillman
-
2005
Mystery Woman: Vision of a Murder
Movie Cassie Hillman
-
2005
Grey's Anatomy
TV show Kate Carlson
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2005
Mystery Woman: Sing Me a Murder
Movie Cassie Hillman
-
2005
Mystery Woman: Snapshot
Movie Cassie Hillman
-
2005
Mystery Woman: Mystery Weekend
Movie Cassie Hillman
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2003
A Carol Christmas
Movie Roberta
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2003
Cold Case
TV show Julie Vera
-
2002
Without a Trace
TV show Celia Cutler
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2001
Law & Order: Criminal Intent
TV show Claudia Duffy
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2001
The Guardian
TV show Suzanna Clemons
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2000
Sleep Easy, Hutch Rimes
Movie Holly Proudfit
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2000
CSI: Crime Scene Investigation
TV show Linley Parker
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2000
The Darkling
Movie Marla Obold
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2000
The Huntress
TV show
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1999
The Big Tease
Movie Betty Fuego
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1999
The West Wing
TV show Ellie Bartlet
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1999
Judging Amy
TV show Christy Wolinsky
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1999
Jakob the Liar
Movie Rosa Frankfurter
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1999
Goodbye Lover
Movie Newscaster
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1998
Sports Night
TV show Holly
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1998
More Tales of the City
TV show Mona Ramsey
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1997
Breast Men
Movie Upset Lady at the Convention (uncredited)
