Filmography
| Year | Title | Role |
| 2023 | The Book of Clarence (2024) | Actor |
| 2021 | Together (2021) | He |
| 2019 | Dark Phoenix | Professor Charles Xavier |
| 2019 | Glass (2019) | Kevin Wendell Crumb/The Horde |
| 2019 | It Chapter Two (2019) | Bill Denbrough |
| 2018 | Sherlock Gnomes | Gnomeo |
| 2017 | Atomic Blonde | David Percival |
| 2017 | Submergence | James More |
| 2016 | X-Men: Apocalypse | Professor Charles Xavier |
| 2016 | Split (2017) | Kevin Wendell Crumb |
| 2015 | Victor Frankenstein | Victor Frankenstein |
| 2014 | X-Men: Days of Future Past | Young Charles Xavier |
| 2014 | Muppets Most Wanted | UPS Guy |
| 2013 | Welcome to the Punch | Max Lewinsky |
| 2013 | Trance (2013) | Simon |
| 2013 | Filth | Bruce Robertson |
| 2013 | The Disappearance of Eleanor Rigby | Conor |
| 2013 | The Disappearance of Eleanor Rigby: Him | Conor |
| 2013 | The Disappearance of Eleanor Rigby: Her | Conor |
| 2011 | Arthur Christmas | Arthur |
| 2011 | Gnomeo and Juliet | Gnomeo |
| 2011 | X-Men: First Class | Charles Xavier |
| 2010 | The Conspirator | Frederick Aiken |
| 2009 | The Last Station | Valentin |
| 2008 | Wanted (2008) | Wesley Gibson |
| 2007 | Atonement | Robbie Turner |
| 2007 | Becoming Jane | Tom Lefroy |
| 2006 | The Last King of Scotland | Nicholas Garrigan |
| 2006 | Starter for 10 | Brian Jackson |
| 2006 | Penelope | Johnny/Max |
| 2005 | The Chronicles of Narnia: The Lion, the Witch and the Wardrobe | Mr. Tumnus |
| 2004 | Wimbledon | Carl Colt |
| 2004 | Inside I'm Dancing | Rory O'Shea |
| 2003 | Bright Young Things | Simon Balcairn |
