Nina Siemaszko Filmography
- Actor (65 credits)
- The Hatred (2017) Miriam
- American Crime (2015) Laura
- Togetherness (2015) Lindsay
- The Bling Ring (2013) Las Vegas Detective (female)
- Monday Mornings (2013)
- The Artist (2011) Admiring Woman
- Prime Suspect (2011) Peggy
- Past Life (2010) Sharon Moody
- Mental (2009) Mimi Peters
- Eli Stone (2008) Katie Bochner
- The Haunting of Molly Hartley (2008) Dr. Emerson
- Saving Grace (2007) Heather
- Private Practice (2007) Kathleen
- Mystery Woman: In the Shadows (2007) Cassie
- Mystery Woman: Oh Baby (2006) Cassie
- Mystery Woman: Redemption (2006) Cassie
- Mystery Woman: At First Sight (2006) Cassie
- Mystery Woman: Wild West Mystery (2006) Cassie
- Mystery Woman: Game Time (2005) Cassie
- Mystery Woman: Sing Me a Murder (2005) Cassie
- Mystery Woman: Mystery Weekend (2005) Cassie
- Mystery Woman: Snapshot (2005) Cassie Hillman
- Mystery Woman: Vision of a Murder (2005) Cassie
- Sleep Easy, Hutch Rimes (2004) Holly Proudfit
- A Carol Christmas (2003) Roberta
- Cold Case (2003) Julie Vera
- Philly (2001) Teresa Wyatt
- The Darkling (2000) Marla Obold
- The Huntress (2000) Dorinda Patterson
- Jakob the Liar (1999) Rosa
- The Big Tease (1999) Betty Fuego
- The West Wing (1999) Ellie Bartlet
- Cold Feet (1999) Bob
- Goodbye Lover (1998) Newscaster
- Paperlily (1998)
- Armistead Maupin's More Tales of the City (1998) Mona Ramsey
- Sports Night (1998) Holly
- Suicide Kings (1997) Jennifer
- Kiss & Tell (1997) Shelly
- The Long Way Home (1997)
- George B. (1997) Angela
- Breast Men (1997) Upset Lady at the Convention, not listed in creditsа
- Runaway Car (1996)
- Johns (1996) Tiffany The Prostitute
- The American President (1995) Beth Wade
- Sawbones (1995) Jenny Sloan
- Love and Happiness (1995) Nina
- Power of Attorney (1995) Maria
- Baby Brokers (1994) Leeanne Dees
- Airheads (1994) Suzzi
- Floundering (1994) Gal
- Twenty Bucks (1993) Bank Teller
- Red Shoe Diaries 3: Another Woman's Lipstick (1993) Trudy (segment 'Just Like That')
- The Saint of Fort Washington (1993)
- Red Shoe Diaries (1992) Trudy
- Little Noises (1992) Dolores
- Sinatra (1992) Mia Farrow
- Bed & Breakfast (1991) Cassie
- Wild Orchid II: Two Shades of Blue (1991) Blue McDonald
- An Enemy of the People (1990) Polly Stockman
- Lonesome Dove (1989) Janey
- Lost Angels (1989) Merilee
- Tucker: The Man and His Dream (1988) Marilyn Lee
- License to Drive (1988) Natalie Anderson
- One More Saturday Night (1986) Karen Lundahl
