Film
| The Outrun | Rona |
| Foe | Henrietta |
| 2022 | See How They Run | Constable Stalker |
| 2021 | The French Dispatch | Junkie / Showgirl #1 |
| 2020 | Ammonite | Charlotte Murchison |
| 2019 | Little Women | Jo March |
| 2018 | Mary Queen of Scots | Mary Stuart |
| 2018 | The Seagull | Nina |
| 2017 | Great Performers: Horror Show | The Mannequin |
| 2017 | On Chesil Beach | Florence Ponting |
| 2017 | Lady Bird | Lady Bird McPherson |
| 2017 | Loving Vincent | Marguerite Gachet (voice) |
| 2015 | Weepah Way for Now | Emily (voice) |
| 2015 | Brooklyn | Eilis |
| 2015 | Stockholm, Pennsylvania | Leia Dargon |
| 2014 | Lost River | Rat |
| 2014 | Muppets Most Wanted | Ballerina |
| 2014 | The Grand Budapest Hotel | Agatha |
| 2013 | Justin and the Knights of Valour | Talia (voice) |
| 2013 | How I Live Now | Daisy |
| 2013 | The Host | Melanie Stryder / Wanda |
| 2012 | Byzantium | Eleanor |
| 2011 | Violet & Daisy | Daisy |
| 2011 | Hanna | Hanna |
| 2010 | The Way Back | Irena |
| 2010 | The Secret World of Arrietty | Arrietty (UK version, voice) |
| 2009 | The Lovely Bones | Susie Salmon |
| 2008 | City of Ember | Lina Mayfleet |
| 2007 | Death Defying Acts | Benji McGarvie |
| 2007 | Atonement | Briony Tallis (age 13) |
| 2007 | The Christmas Miracle of Jonathan Toomey | Celia Hardwick |
| 2007 | I Could Never Be Your Woman | Izzie |
Script developed by Never Enough Design
