Filmography36 titles
| Year | Title | Character | Age at release |
|---|---|---|---|
| 2025 | The StudioSeries | Sarah Polley | 46 |
| 2021 | Directors on DirectorsSeries | Self | 42 |
| 2015 | The Late Show with Stephen ColbertSeries | Self | 36 |
| 2014 | Reel Herstory: The Real Story of Reel WomenMovie | Self | 35 |
| 2012 | Stories We TellMovie | Self (uncredited) | 33 |
| 2010 | TriggerMovie | Hillary | 31 |
| 2009 | Mr. NobodyMovie | Adult Elise | 30 |
| 2008 | The Madness and Misadventures of MunchausenMovie | Self - 'Sally Salt' | 29 |
| 2005 | Don't Come KnockingMovie | Sky | 26 |
| 2005 | The Secret Life of WordsMovie | Hanna | 26 |
| 2004 | Dawn of the DeadMovie | Ana | 25 |
| 2004 | LuckMovie | Margaret | 25 |
| 2003 | The EventMovie | Dana Shapiro | 24 |
| 2003 | Slings & ArrowsSeries | Sophie | 24 |
| 2001 | The Weight of WaterMovie | Maren Hontvedt | 22 |
| 2000 | The Law of EnclosuresMovie | Beatty 'Beatrice' | 21 |
| 2000 | PreludesMovie | — | 21 |
| 1999 | GoMovie | Ronna Martin | 20 |
| 1999 | Teen Choice AwardsSeries | Self | 20 |
| 1999 | eXistenZMovie | Merle | 20 |
| 1998 | White LiesMovie | Catherine | 19 |
| 1998 | Jerry and TomMovie | Deb | 19 |
| 1997 | The Sweet HereafterMovie | Nicole Burnell | 18 |
| 1997 | The Planet of Junior BrownMovie | Butter | 18 |
| 1996 | Children First!Movie | Host | 17 |
| 1994 | ExoticaMovie | Tracey | 15 |
| 1992 | Johann's Gift to ChristmasMovie | The Angel | 13 |
| 1991 | The Hidden RoomSeries | Alice | 12 |
| 1990 | Road to AvonleaSeries | Sara Stanley | 11 |
| 1989 | Lantern HillMovie | Jody Turner | 10 |
| 1989 | Babar: The MovieMovie | Young Celeste | 10 |
| 1988 | The Adventures of Baron MunchausenMovie | Sally Salt | 9 |
| 1987 | The Big TownMovie | Christy Donaldson | 8 |
| 1987 | Friday the 13th: The SeriesSeries | Mary | 8 |
| 1985 | One Magic ChristmasMovie | Molly Monaghan | 6 |
| 1953 | The OscarsSeries | Self | — |