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Margaret Colin (born May 26, 1958) is an American actress. She is known for her roles as White House Communications Director Constance Spano in the sci-fi film Independence Day (1996), the originating performer of character Margo Hughes on As the World Turns (1980–1983), and her recurring role as Eleanor Waldorf in the first five seasons of Gossip Girl (2007–2012).
| Year | Title | Role | Notes |
| 1986 | Pretty in Pink | English Teacher | |
| 1986 | Something Wild | Irene | |
| 1987 | Like Father Like Son | Ginnie Armbruster | |
| 1987 | Three Men and a Baby | Rebecca | |
| 1989 | True Believer | Kitty Greer | |
| 1990 | Martians Go Home | Sara Brody | |
| 1991 | The Butcher's Wife | Robyn Graves | |
| 1993 | Amos & Andrew | Judy Gillman | |
| 1994 | Terminal Velocity | Joline 'Jo' | Uncredited |
| 1996 | Independence Day | Constance Spano | |
| 1996 | Milk & Money | Lorraine | |
| 1997 | The Devil's Own | Sheila O'Meara | |
| 1997 | Time to Say Goodbye? | Kristen Hamstra | |
| 1998 | The Adventures of Sebastian Cole | Joan Cole | |
| 2002 | Blue Car | Diane | |
| 2002 | Unfaithful | Sally | |
| 2004 | First Daughter | Melanie MacKenzie | |
| 2006 | A Broken Sole | Nan | |
| 2007 | Happenstance | Beth | Short film |
| 2008 | Deception | Ms. Pomerantz | |
| 2008 | iMurders | Carol Uberoth | |
| 2009 | The Missing Person | Lana Cobb | |
| 2012 | Camilla Dickinson | Mona Rowan | |
| 2012 | Backwards | Mrs. Brooks | |
| 2014 | Kelly & Cal | Janice | |
| 2014 | You Must Be Joking | Linda Schwartz | |
| 2015 | Stealing Chanel | Constance Borden | |
| 2016 | Equity | Attorney Cahn | |
| 2022 | The Road to Galena | Margaret Kenney |
| Year | Title | Role | Notes |
| 1979 | The Edge of Night | Paige Madison | Series regular, daily soap opera |
| 1980–83 | As the World Turns | Margo Hughes | Series regular, daily soap opera |
| 1985–86 | Foley Square | Alex Harrigan | Main cast |
| 1987 | Leg Work | Claire McCarron | Main cast |
| 1987 | The Return of Sherlock Holmes | Jane Watson | TV movie |
| 1987 | Warm Hearts, Cold Feet | Amy Webster | TV movie |
| 1988 | Magnum, P.I. | Connie Northrop | Episode: "Legend of the Lost Art" |
| 1989 | Traveling Man | Joanna Reath | TV movie |
| 1990 | Goodnight Sweet Wife: A Murder in Boston | Michelle Caruso | TV movie |
| 1991–92 | Sibs | Audie Ruscio | Main cast |
| 1994 | Related by Birth | Audie Ruscio | Television special |
| 1994 | Chicago Hope | Dr. Karen Antonovich | 5 episodes |
| 1995 | In the Shadow of Evil | Molly Nostrand | TV movie |
| 1995 | The Wright Verdicts | Sandy Hamor | Main cast |
| 1999 | Hit & Run | Joanna Kendall | TV movie |
| 1999 | Swing Vote | Linda Kirkland | TV movie |
| 1999–2000 | Now and Again | Lisa Wiseman | Main cast |
| 2000 | Madigan Men | Vonda Madigan | Episode: "Pilot" |
| 2001 | Private Lies | Ellen | TV movie |
| 2001 | The Familiar Stranger | Elizabeth 'Peachy' Welsh | TV movie |
| 2001 | The Wedding Dress | Madeline Carver | TV movie |
| 2003 | Law & Order: Special Victims Unit | Mrs. Krug | Episode: "Tortured" |
| 2004 | Law & Order: Criminal Intent | Dr. Eloise Barnes | Episode: "Shrink-Wrapped" |
| 2007–12 | Gossip Girl | Eleanor Waldorf | Recurring role (seasons 1–5), guest appearance (season 6) |
| 2009 | Royal Pains | Lucy Everett | Episode: "Strategic Planning" |
| 2010 | Law & Order | Mary Markson | Episode: "Four Cops Shot" |
| 2010 | Medium | Kelly Shuler | Episode: "It's a Wonderful Death" |
| 2012 | Blue Bloods | Melanie Maines | Episode: "Women with Guns" |
| 2012 | Nurse Jackie | Trish | 2 episodes |
| 2013 | The Good Wife | Rochelle | Episode: "The Seven Day Rule" |
| 2013 | Elementary | Natalie Gale | Episode: "Blood Is Thicker" |
| 2014 | Gotham | Taylor Reece | Episode: "Viper" |
| 2015 | Madam Secretary | Judith Fanning | Season 2 Episode 7: "Catch and Release" |
| 2017–2019 | Veep | Jane McCabe | Recurring role (season 6), guest appearances (season 7)Screen Actors Guild Award for Outstanding Performance by an Ensemble in a Comedy Series |
| 2017–2018 | Shades of Blue | Linda Wozniak | Recurring role (seasons 2–3) |
| 2019 | The Enemy Within | Evelyn Bell | Episode: "Sequestered" |
| 2019 | The I-Land | Dr. Stevenson | 2 episodes |
| 2021 | Chicago Med | Carol Conte | Recurring role (season 6) |
| 2021, 2023 | Gossip Girl | Eleanor Waldorf | 2 episodes (sequel series) |
| 2022 | Three Wise Men and a Baby | Barbara Brenner | TV movie |
| 2024 | Three Wiser Men and a Boy | Barbara Brenner | TV movie |
| 2025 | Three Wisest Men | Barbara Brenner | TV movie |