Filmography112 titles
| Year | Title | Character | Age at release |
|---|---|---|---|
| 2023 | About My FatherMovie | Sen. Tigger MacArthur (Collins) | 67 |
| 2023 | GlamorousSeries | Madolyn Addison | 67 |
| 2022 | How I Met Your FatherSeries | Sophie Tompkins | 66 |
| 2022 | Queer as FolkSeries | Brenda | 66 |
| 2021 | And Just Like That…Series | Samantha Jones | 65 |
| 2020 | Filthy RichSeries | Margaret Monreaux | 64 |
| 2019 | The Kelly Clarkson ShowSeries | Self | 63 |
| 2019 | Horrible Histories: The Movie — Rotten RomansMovie | Agrippina | 63 |
| 2018 | ExplainedSeries | Narrator (voice) | 62 |
| 2018 | Hollywood: No Sex, Please!Movie | — | 62 |
| 2018 | Tell Me a StorySeries | Colleen Powell | 62 |
| 2016 | The Witness for the ProsecutionSeries | Emily French | 60 |
| 2015 | Being CanadianMovie | Self | 59 |
| 2014 | Late Night with Seth MeyersSeries | Self - Guest | 58 |
| 2010 | Sex and the City 2Movie | Samantha Jones | 54 |
| 2010 | Who Do You Think You Are?Series | Self | 54 |
| 2010 | The Ghost WriterMovie | Amelia Bly | 54 |
| 2010 | Any Human HeartSeries | Gloria Scabius | 54 |
| 2010 | Meet Monica VelourMovie | Linda Romanoli | 54 |
| 2009 | Watch What Happens Live with Andy CohenSeries | Self - Guest | 53 |
| 2009 | Alan Carr: Chatty ManSeries | Self | 53 |
| 2009 | Live from Studio FiveSeries | Self | 53 |
| 2009 | ClarkworldMovie | Self | 53 |
| 2009 | Producing ParkerSeries | Dee (voice) | 53 |
| 2008 | Sex and the CityMovie | Samantha Jones | 52 |
| 2008 | Live from the Red Carpet: Sex and the CityMovie | Self | 52 |
| 2008 | Sex and the City: The Party That Never WasMovie | Self | 52 |
| 2008 | The Fabulous Fashion of 'Sex and the City'Movie | Self | 52 |
| 2007 | The Graham Norton ShowSeries | Self | 51 |
| 2007 | Shortcut to HappinessMovie | Constance Hurry | 51 |
| 2007 | My Boy JackMovie | Caroline Kipling | 51 |
| 2006 | The Tiger's TailMovie | Jane O'Leary | 50 |
| 2005 | Ice PrincessMovie | Tina Harwood | 49 |
| 2005 | The Friday Night ProjectSeries | Self - Host | 49 |
| 2004 | Who Do You Think You Are?Series | Self | 48 |
| 2004 | Retrosexual: The '80sSeries | (archive footage) | 48 |
| 2003 | The Ellen DeGeneres ShowSeries | Self | 47 |
| 2003 | Celebrity Naked AmbitionMovie | Self (archive footage) | 47 |
| 2002 | CrossroadsMovie | Caroline | 46 |
| 2002 | V Graham NortonSeries | Self | 46 |
| 2001 | Friday Night with Jonathan RossSeries | Self - Guest | 45 |
| 2001 | 15 MinutesMovie | Cassandra | 45 |
| 1999 | The Early ShowSeries | Self | 43 |
| 1999 | TV totalSeries | Self | 43 |
| 1999 | Baby GeniusesMovie | Robin | 43 |
| 1999 | 36 Hours to DieMovie | Kim Stone | 43 |
| 1998 | Sex and the CitySeries | Samantha Jones | 42 |
| 1998 | CreatureSeries | Dr. Amanda Mayson | 42 |
| 1997 | The ViewSeries | Self | 41 |
| 1997 | InvasionSeries | Doctor Sheila Moran | 41 |
| 1997 | Exception to the RuleMovie | Carla Rainer | 41 |
| 1996 | The Daily ShowSeries | Self | 40 |
| 1996 | E! True Hollywood StorySeries | — | 40 |
| 1996 | Where Truth LiesMovie | Racquel Chambers | 40 |
| 1996 | UnforgettableMovie | Kelly | 40 |
| 1995 | The Outer LimitsSeries | Rebecca Highfield | 39 |
| 1995 | OP CenterMovie | Jane Hood | 39 |
| 1995 | Above SuspicionMovie | Gail Cain | 39 |
| 1995 | Live Nude GirlsMovie | Jamie | 39 |
| 1994 | DuckmanSeries | Tami Margulies (voice) | 38 |
| 1994 | Breaking PointMovie | Allison | 38 |
| 1994 | Two Golden BallsMovie | Sydnie | 38 |
| 1993 | Intimate PortraitSeries | Self | 37 |
| 1993 | Wild PalmsSeries | Paige Katz | 37 |
| 1993 | GMTVSeries | Self | 37 |
| 1993 | Angel FallsSeries | Genna Harrison | 37 |
| 1992 | Split SecondMovie | Michelle | 36 |
| 1991 | Star Trek VI: The Undiscovered CountryMovie | Lt. Valeris | 35 |
| 1991 | RugratsSeries | Melinda Finster (voice) | 35 |
| 1990 | Dream OnSeries | Jeannie | 34 |
| 1990 | The Bonfire of the VanitiesMovie | Judy McCoy | 34 |
| 1989 | The SimpsonsSeries | Fourth Simpsons Child (voice) | 33 |
| 1989 | Screen OneSeries | Sydnie | 33 |
| 1989 | For Better or for WorseMovie | Chris | 33 |
| 1989 | The Return of the MusketeersMovie | Justine de Winter | 33 |
| 1988 | LIVE with Kelly and MarkSeries | Self - Guest | 32 |
| 1988 | MasqueradeMovie | Brooke Morrison | 32 |
| 1988 | Midnight CrossingMovie | Alexa Schubb | 32 |
| 1988 | Palais RoyaleMovie | Odessa Muldoon | 32 |
| 1987 | MannequinMovie | Ema 'Emmy' Hesire | 31 |
| 1986 | Big Trouble in Little ChinaMovie | Gracie Law | 30 |
| 1985 | Turk 182!Movie | Danny Boudreau | 29 |
| 1985 | Hold-upMovie | Lise Lefèvre | 29 |
| 1985 | City LimitsMovie | Wickings | 29 |
| 1984 | Police AcademyMovie | Karen Thompson | 28 |
| 1982 | Tales of the Gold MonkeySeries | — | 26 |
| 1981 | Ticket to HeavenMovie | Ruthie | 25 |
| 1981 | Porky'sMovie | Honeywell | 25 |
| 1980 | TributeMovie | Sally Haines | 24 |
| 1980 | The Gossip ColumnistMovie | Dina Moran | 24 |
| 1980 | HagenSeries | — | 24 |
| 1980 | ScruplesSeries | Melanie Adams | 24 |
| 1979 | Trapper John, M.D.Series | — | 23 |
| 1979 | The RebelsSeries | Anne Kent | 23 |
| 1979 | The Night RiderMovie | Regina Kenton | 23 |
| 1978 | Vega$Series | — | 22 |
| 1978 | The BastardSeries | Anne Ware | 22 |
| 1978 | The Paper ChaseSeries | — | 22 |
| 1977 | The Incredible HulkSeries | Dr. Gabrielle White | 21 |
| 1977 | The Hardy Boys / Nancy Drew MysteriesSeries | — | 21 |
| 1977 | Deadly HarvestMovie | Susan Franklin | 21 |
| 1977 | Logan's RunSeries | Rama II | 21 |
| 1977 | What Really Happened to the Class of '65?Series | — | 21 |
| 1977 | Good Against EvilMovie | Linday Isley | 21 |
| 1976 | Charlie's AngelsSeries | Sharon Kellerman | 20 |
| 1976 | Quincy, M.E.Series | Joy DeReatis | 20 |
| 1976 | Dead on TargetMovie | Secretary (uncredited) | 20 |
| 1975 | Starsky & HutchSeries | Emily Harrison | 19 |
| 1975 | SwitchSeries | Captain Judith Pierce | 19 |
| 1975 | RosebudMovie | Joyce Donnovan | 19 |
| 1971 | ColumboSeries | Joanne Nicholls | 15 |
| 0 | The Making of 'Sex and the City'Movie | Self | — |