Filmography33 titles
| Year | Title | Character | Age at release |
|---|---|---|---|
| 2019 | Wu AssassinsSeries | Water Wu / Miss Jones | 38 |
| 2017 | Here's How It Was: The Making of 'Firefly'Movie | Self | 36 |
| 2015 | Dead EndMovie | — | 34 |
| 2014 | Knights of BadassdomMovie | Gwen | 33 |
| 2014 | SequesteredSeries | Anna | 33 |
| 2013 | Inside the BoxMovie | Sophie | 32 |
| 2012 | ArrowSeries | Isabel Rochev | 31 |
| 2012 | Help for the HolidaysMovie | Christine Prancer | 31 |
| 2012 | Browncoats Unite: Firefly 10th Anniversary SpecialMovie | Self | 31 |
| 2011 | The CapeSeries | Orwell | 30 |
| 2011 | AlphasSeries | Skylar Adams | 30 |
| 2011 | The Legend of Hell's Gate: An American ConspiracyMovie | Maggie Moon | 30 |
| 2010 | Hawaii Five-0Series | Maggie Hoapili | 29 |
| 2010 | Superman/Batman: ApocalypseMovie | Kara Zor-El / Supergirl (voice) | 29 |
| 2010 | Deadly HoneymoonMovie | Lindsey Ross Forrest | 29 |
| 2009 | CastleSeries | Kendall Frost | 28 |
| 2009 | DollhouseSeries | Bennett Halverson | 28 |
| 2008 | Terminator: The Sarah Connor ChroniclesSeries | Cameron | 27 |
| 2007 | The Big Bang TheorySeries | Summer Glau | 26 |
| 2007 | ChuckSeries | Greta | 26 |
| 2006 | The UnitSeries | Crystal Burns | 25 |
| 2006 | The Initiation of SarahMovie | Lindsey Goodwin | 25 |
| 2006 | MammothMovie | Jack Abernathy | 25 |
| 2006 | Done the ImpossibleMovie | Self (Archive Footage) | 25 |
| 2005 | Grey's AnatomySeries | Emily Kovach | 24 |
| 2005 | The Late Late Show with Craig FergusonSeries | Self | 24 |
| 2005 | SerenityMovie | River Tam | 24 |
| 2004 | The 4400Series | Tess Doerner | 23 |
| 2004 | SleepoverMovie | Ticket Girl | 23 |
| 2003 | Cold CaseSeries | Paige Pratt | 22 |
| 2002 | FireflySeries | River Tam | 21 |
| 2000 | CSI: Crime Scene InvestigationSeries | Mandy Cooper | 19 |
| 1999 | AngelSeries | Prima Ballerina | 18 |