 Mystery at the Prospect Hotel2024 · Mr. Vincent | Mr. Vincent |
 Merchant Ivory2024 · Self | Self |
 The Ministry of Ungentlemanly Warfare2024 · Viscount Algernon | Viscount Algernon |
 Vindication Swim2024 · Mr. Havers | Mr. Havers |
 Masquerade2022 · Thomas | Thomas |
 The Duke2021 · Judge Aarvold | Judge Aarvold |
 E. M. Forster: His Longest Journey2019 · Narrator | Narrator |
 Salt2019 · Conrad | Conrad |
 The Sense of an Ending2017 · David Ford | David Ford |
 ChickLit2016 · Geoffrey | Geoffrey |
 Churchill's Secret2016 · Brendan Bracken | Brendan Bracken |
| VVincent2013 · The Man | The Man |
 Best Possible Taste: The Kenny Everett Story2012 · Wilfred De'Ath | Wilfred De'Ath |
 We Need to Talk About Kieran2011 · Professor Hugh Merrill | Professor Hugh Merrill |
 Shadows in the Sun2009 · Robert | Robert |
 A Risk Worth Taking2008 · Patrick Trenchard | Patrick Trenchard |
 Lady Godiva2008 · Earl of Mercia, Leofric | Earl of Mercia, Leofric |
 Clapham Junction2007 · Julian Rowan | Julian Rowan |
 It's Gradiva Who Is Calling You2007 · John Locke | John Locke |
 The Last Days of the Raj2007 · Lord Mountbatten | Lord Mountbatten |
 De-Lovely2004 · Edward Thomas | Edward Thomas |
 Sparkling Cyanide2003 · Stephen Farraday | Stephen Farraday |
| GGeorge Eliot: A Scandalous Life2002 · Herbert Spencer | Herbert Spencer |
 The Making of Gosford Park2002 · Self (uncredited) | Self (uncredited) |
 Bertie and Elizabeth2002 · King George VI, aka 'Bertie' | King George VI, aka 'Bertie' |
 Gosford Park2001 · Freddie Nesbitt | Freddie Nesbitt |
 Jump Tomorrow2001 · Nathan | Nathan |
 Cotton Mary1999 · John MacIntosh | John MacIntosh |
 Tom's Midnight Garden1999 · Uncle Alan Kitson | Uncle Alan Kitson |
 An Ideal Husband1999 · Sir Robert Chiltern | Sir Robert Chiltern |
 The Dark Room1999 · Dr Alan Protheroe | Dr Alan Protheroe |
 The Woman In White1997 · Sir Percival Glyde | Sir Percival Glyde |
 Regeneration1997 · 2nd Lt. Siegfried Sassoon | 2nd Lt. Siegfried Sassoon |
 The Treasure Seekers1996 · Henry Carlisle | Henry Carlisle |
 Witness Against Hitler1996 · Helmuth James von Moltke | Helmuth James von Moltke |
 The Chess Game1994 · Lord Staunton | Lord Staunton |
 Immaculate Conception1992 · Alistair | Alistair |
 Howards End1992 · Charles Wilcox | Charles Wilcox |
 Adam Bede1992 · Arthur Donnithorne | Arthur Donnithorne |
 The Siege of Venice1991 · Milord Runbiff | Milord Runbiff |
 Tell Me That You Love Me1991 · Michael Evans | Michael Evans |
| CConspiracy1989 · Actor | Actor |
 A Summer Story1988 · Frank Ashton | Frank Ashton |
 The Storyteller: Sapsorrow1988 · Prince | Prince |
 A Handful of Dust1988 · Tony Last | Tony Last |
 Maurice1987 · Maurice Hall | Maurice Hall |
 A Room with a View1986 · Party Guest (uncredited) | Party Guest (uncredited) |
 Dutch Girls1985 · Dundine | Dundine |
