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Antonina Jadwiga "Nina" Siemaszko is an American film and television actress.
Birth Name
Antonina Jadwiga Siemaszko
Born
Tuesday, 14 July 1970
Actress Filmography
| Title | Character | Year |
|---|
| The Hatred | Miriam | 2017 |
| American Crime | Laura | 2015 |
| Togetherness | Lindsay | 2015 |
| The Bling Ring | Las Vegas Detective (female) / Vegas Detective | 2013 |
| The Artist | Admiring Woman | 2011 |
| Prime Suspect | Peggy | 2011 |
| Past Life | Sharon Moody | 2010 |
| Mental | Mimi Peters | 2009 |
| The Haunting of Molly Hartley | Dr. Emerson | 2008 |
| Eli Stone | Katie Bochner | 2008 |
Actress Filmography
| Title | Character | Year |
|---|
| The Hatred | Miriam | 2017 |
| American Crime | Laura | 2015 |
| Togetherness | Lindsay | 2015 |
| The Bling Ring | Las Vegas Detective (female) / Vegas Detective | 2013 |
| The Artist | Admiring Woman | 2011 |
| Prime Suspect | Peggy | 2011 |
| Past Life | Sharon Moody | 2010 |
| Mental | Mimi Peters | 2009 |
| The Haunting of Molly Hartley | Dr. Emerson | 2008 |
| Eli Stone | Katie Bochner | 2008 |
| Private Practice | Kathleen | 2007 |
| Saving Grace | Heather | 2007 |
| Mystery Woman: In the Shadows | Cassie | 2007 |
| Mystery Woman: Redemption | Cassie | 2006 |
| Mystery Woman: Oh Baby | Cassie | 2006 |
| Mystery Woman: Wild West Mystery | Cassie | 2006 |
| Mystery Woman: At First Sight | Cassie | 2006 |
| Mystery Woman: Game Time | Cassie | 2005 |
| Mystery Woman: Vision of a Murder | Cassie | 2005 |
| Grey's Anatomy | Kate Carlson | 2005 |
| Mystery Woman: Sing Me A Murder | Cassie | 2005 |
| Mystery Woman: Snapshot | Cassie Hillman | 2005 |
| Mystery Woman: Mystery Weekend | Cassie | 2005 |
| A Carol Christmas | Roberta | 2003 |
| Cold Case | Julie Vera | 2003 |
| Without a Trace | Celia | 2002 |
| Law & Order: Criminal Intent | Claudia Duffy | 2001 |
| The Guardian | Suzanna Clemons | 2001 |
| Philly | Teresa Wyatt | 2001 |
| Further Tales of the City | Mona Ramsey | 2001 |
| Sleep Easy, Hutch Rimes | Holly Proudfit | 2000 |
| CSI: Crime Scene Investigation | Linley Parker | 2000 |
| The Darkling | Marla Obold | 2000 |
| The Huntress | Dorinda Patterson | 2000 |
| The Big Tease | Betty Fuego | 1999 |
| Cold Feet | Bob | 1999 |
| Jakob the Liar | Rosa | 1999 |
| The West Wing | Ellie Bartlet | 1999 |
| Judging Amy | Christy Wolinsky | 1999 |
| Sports Night | Holly | 1998 |
| More Tales of the City | Mona Ramsey | 1998 |
| Goodbye Lover | Newscaster | 1998 |
| Suicide Kings | Jennifer | 1998 |
| Breast Men | Upset Lady at the Convention | 1997 |
| Kiss & Tell | Shelly | 1997 |
| The Long Way Home | (voice) | 1997 |
| Johns | Tiffany The Prostitute / Prostitute | 1996 |
| The American President | Beth Wade | 1995 |
| Power of Attorney | Maria | 1995 |
| Sawbones | Jenny Sloan | 1995 |
| Floundering | Gal | 1994 |
| Chicago Hope | Gloria McKinnon | 1994 |
| Airheads | Suzzi | 1994 |
| Baby Brokers | Leeanne Dees | 1994 |
| The Saint of Fort Washington | Tamsen / Tamsen, la fille de Rosario | 1993 |
| NYPD Blue | Debra | 1993 |
| Twenty Bucks | Bank Teller | 1993 |
| Sinatra | Mia Farrow | 1992 |
| Red Shoe Diaries | Trudy | 1992 |
| Little Noises | Dolores | 1992 |
| Wild Orchid II: Two Shades of Blue | Blue McDonald | 1991 |
| Bed & Breakfast | Cassie / Cassie Wellesly | 1991 |
| Tales from the Crypt | Stella Bishop | 1989 |
| Lost Angels | Merilee | 1989 |
| Lonesome Dove | Janey | 1989 |
| Tucker: The Man and His Dream | Marilyn Lee | 1988 |
| License to Drive | Natalie Anderson | 1988 |
| One More Saturday Night | Karen Lundahl | 1986 |
| CBS Schoolbreak Special | (voice) | 1980 |
