Filmography65 titles
| Year | Title | Character | Age at release |
|---|---|---|---|
| 2024 | Mr Bates vs The Post OfficeSeries | Bob Rutherford | 60 |
| 2024 | ShoshanaMovie | Robert Chambers | 60 |
| 2023 | MarloweMovie | Joe Green | 59 |
| 2023 | The TrapMovie | — | 59 |
| 2022 | Harry Potter 20th Anniversary: Return to HogwartsMovie | Self | 58 |
| 2022 | The ResponderSeries | Carl Sweeney | 58 |
| 2021 | The Mosquito CoastSeries | Bill Lee | 57 |
| 2021 | HelpMovie | Steve | 57 |
| 2021 | Through The DunesMovie | Andy | 57 |
| 2018 | Mary Queen of ScotsMovie | Lord Maitland | 54 |
| 2018 | The TerrorSeries | Thomas Blanky | 54 |
| 2017 | Tin StarSeries | Michael Ryan | 53 |
| 2016 | VinylSeries | Peter Grant | 52 |
| 2016 | The Secret AgentSeries | The Professor | 52 |
| 2015 | The Last KingdomSeries | Beocca | 51 |
| 2014 | The DriverSeries | Colin Vine | 50 |
| 2013 | Bates MotelSeries | Will Decody | 49 |
| 2013 | The BridgeSeries | David Tate | 49 |
| 2013 | RogueSeries | Buddy Wilson | 49 |
| 2013 | Marvel's Agents of S.H.I.E.L.D.Series | Dr. Franklin Hall | 49 |
| 2013 | My Mad Fat DiarySeries | Dr. Kester Gill | 49 |
| 2012 | Playhouse PresentsSeries | John Lennon | 48 |
| 2012 | ElementarySeries | Professor Baynes | 48 |
| 2012 | LuckSeries | Lonnie | 48 |
| 2012 | Hard Boiled SweetsMovie | Joyce | 48 |
| 2011 | The Man who Crossed HitlerMovie | Adolf Hitler | 47 |
| 2009 | Moving OnSeries | Jake | 45 |
| 2009 | Within the WhirlwindMovie | Beylin | 45 |
| 2009 | A Boy Called DadMovie | Joe | 45 |
| 2007 | DirtSeries | Don Konkey | 43 |
| 2007 | InterventionMovie | Harry III Jr | 43 |
| 2006 | Carry On KenMovie | — | 42 |
| 2006 | The Virgin QueenSeries | William Cecil - Lord Burghley | 42 |
| 2005 | Ripley Under GroundMovie | Bernard Sayles | 41 |
| 2005 | Rag TaleMovie | Morph | 41 |
| 2005 | Breakfast on PlutoMovie | PC Wallis | 41 |
| 2005 | A Cock and Bull StoryMovie | Joe | 41 |
| 2004 | Finding NeverlandMovie | Sir Arthur Conan Doyle | 40 |
| 2004 | The Magic Touch of Harry PotterMovie | Self | 40 |
| 2004 | Sherlock Holmes and the Case of the Silk StockingMovie | Dr. Watson | 40 |
| 2004 | StringsMovie | Ghrak | 40 |
| 2003 | Den of LionsMovie | Rob Shepard | 39 |
| 2002 | The Hound of the BaskervillesMovie | Dr. Watson | 38 |
| 2001 | Harry Potter and the Philosopher's StoneMovie | Quirinus Quirrell | 37 |
| 2000 | LongitudeMovie | William Harrison (Adult) | 36 |
| 2000 | LongitudeSeries | William Harrison | 36 |
| 2000 | Born RomanticMovie | Second Cab Driver | 36 |
| 2000 | The Closer You GetMovie | Kieran O'Donnell | 36 |
| 1999 | B. MonkeyMovie | Steve Davis | 35 |
| 1998 | The Butcher BoyMovie | Uncle Arlo | 34 |
| 1998 | Enemy of the StateMovie | Bingham | 34 |
| 1997 | Robinson CrusoeMovie | Daniel Defoe | 33 |
| 1997 | Gold In The StreetsMovie | Des | 33 |
| 1996 | Michael CollinsMovie | Joe O'Reilly | 32 |
| 1996 | Hollow ReedMovie | Tom Dixon | 32 |
| 1996 | Nothing PersonalMovie | Ginger | 32 |
| 1995 | Land and FreedomMovie | David Carr | 31 |
| 1995 | The Englishman Who Went Up a Hill But Came Down a MountainMovie | Johnny Shellshocked | 31 |
| 1989 | A View of Harry ClarkMovie | Christie | 25 |
| 1988 | The Play on OneSeries | Christie | 24 |
| 1986 | The Monocled MutineerSeries | — | 22 |
| 1985 | No SurrenderMovie | Uncertain Menace | 21 |
| 1984 | Travelling ManSeries | Kyffin Rees | 20 |
| 0 | The Custom of the CountryMovie | — | — |
| 0 | Untitled Luther SequelMovie | — | — |