Nina Siemaszko

Actor · Born July 14, 1970 · Chicago, Illinois, USA

Biography

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.

Acted in 68

2020s

2025
The Paper
TV · 2 Seasons · Comedy
70

2010s

2018
Hailey Dean Mysteries: A Will to Kill
Olivia
2017
The Hatred
Miriam
2015
Togetherness
Lindsay · 1 episode
73
2013
The Bling Ring
Vegas Detective (Female)
59
Monday Mornings
TV · 1 Season · Drama
75
2011
The Artist
Admiring Woman
83
2010
Past Life
Sharon Moody · 1 episode

2000s

2008
The Haunting of Molly Hartley
Dr. Emerson
30
Eli Stone
Katie Bochner · 1 episode
74
2007
Private Practice
Kathleen · 2 episodes
70
Saving Grace
Heather · 1 episode
75
Mystery Woman: In the Shadows
Cassie Hillman
2006
Mystery Woman: Redemption
Cassie Hillman
Mystery Woman: Oh Baby
Cassie Hillman
Mystery Woman: Wild West Mystery
Cassie Hillman
Mystery Woman: At First Sight
Cassie Hillman
2005
Mystery Woman: Game Time
Cassie Hillman
Mystery Woman: Vision of a Murder
Cassie Hillman
Grey's Anatomy
Kate Carlson · 1 episode
78
Mystery Woman: Sing Me a Murder
Cassie Hillman
Mystery Woman: Snapshot
Cassie Hillman
Mystery Woman: Mystery Weekend
Cassie Hillman
2003
A Carol Christmas
Roberta
Cold Case
Julie Vera · 2 episodes
77
2002
Without a Trace
Celia Cutler · 1 episode
71
2001
Law & Order: Criminal Intent
Claudia Duffy · 1 episode
76
The Guardian
Suzanna Clemons · 1 episode
74
2000
Sleep Easy, Hutch Rimes
Holly Proudfit
CSI: Crime Scene Investigation
Linley Parker · 1 episode
77
The Darkling
Marla Obold
41
The Huntress
TV · 1 Season · Drama · Crime

1990s

1999
The Big Tease
Betty Fuego
The West Wing
Ellie Bartlet · 9 episodes
87
Judging Amy
Christy Wolinsky · 1 episode
72
Jakob the Liar
Rosa Frankfurter
53
Goodbye Lover
Newscaster
48
1998
Sports Night
Holly · 1 episode
80
More Tales of the City
Mona Ramsey · 6 episodes
1997
Breast Men
Upset Lady at the Convention (uncredited)
55
Kiss & Tell
Shelly
The Long Way Home
(voice)
81
Suicide Kings
Jennifer
56
Runaway Car
Jenny Todd
George B.
Angela
1996
Johns
Prostitute
59
1995
The American President
Beth Wade
72
Power of Attorney
Maria
Sawbones
Jenny Sloan
1994
Floundering
Gal
Chicago Hope
Gloria McKinnon · 1 episode
70
Airheads
Suzzi
52
Baby Brokers
Leeanne Dees
1993
Red Shoe Diaries 3: Another Woman's Lipstick
Trudy (archive footage)
The Saint of Fort Washington
Tamsen, la fille de Rosario
72
Twenty Bucks
Bank Teller
65
Tales of the City
TV
1992
Sinatra
Mia Farrow · 2 episodes
Red Shoe Diaries
Trudy · 1 episode
57
Little Noises
Dolores
1991
Wild Orchid II: Two Shades of Blue
Blue McDonald
44
Bed & Breakfast
Cassie

1980s

1989
Tales from the Crypt
Stella Bishop · 1 episode
80
Lost Angels
Merilee
1988
Tucker: The Man and His Dream
Marilyn Lee
73
License to Drive
Natalie Anderson
50
1986
One More Saturday Night
Karen Lundahl
1982
American Playhouse
Polly Stockman · 1 episode