- Vindication Swim
2024 Mr. Havers
- The Ministry of Ungentlemanly Warfare
2024 Viscount Algernon
- Mystery at the Prospect Hotel
2024 Mr. Vincent
- Masquerade
2022 Thomas
- The Duke
2021 Judge Aarvold
- E. M. Forster: His Longest Journey
2019 Narrator
- Salt
2019 Conrad
- The Sense of an Ending
2017 David Ford
- Churchill's Secret
2016 Brendan Bracken
- ChickLit
2016 Geoffrey
- Vincent
2013 The Man
- Best Possible Taste: The Kenny Everett Story
2012 Wilfred De'Ath
- We Need to Talk About Kieran
2011 Professor Hugh Merrill
- Shadows in the Sun
2009 Robert
- A Risk Worth Taking
2008 Patrick Trenchard
- Lady Godiva
2008 Earl of Mercia, Leofric
- It's Gradiva Who Is Calling You
2007 John Locke
- Clapham Junction
2007 Julian Rowan
- The Last Days of the Raj
2007 Lord Mountbatten
- De-Lovely
2004 Edward Thomas
- Sparkling Cyanide
2003 Stephen Farraday
- George Eliot: A Scandalous Life
2002 Herbert Spencer
- Bertie and Elizabeth
2002 King George VI, aka 'Bertie'
- Gosford Park
2001 Freddie Nesbitt
- Jump Tomorrow
2001 Nathan
- Cotton Mary
1999 John MacIntosh
- An Ideal Husband
1999 Sir Robert Chiltern
- The Dark Room
1999 Dr Alan Protheroe
- Tom's Midnight Garden
1999 Uncle Alan Kitson
- Regeneration
1997 2nd Lt. Siegfried Sassoon
- The Woman In White
1997 Sir Percival Glyde
- Witness Against Hitler
1996 Helmuth James von Moltke
- The Treasure Seekers
1996 Henry Carlisle
- The Chess Game
1994 Lord Staunton
- Adam Bede
1992 Arthur Donnithorne
- Howards End
1992 Charles Wilcox
- Immaculate Conception
1992 Alistair
- Tell Me That You Love Me
1991 Michael Evans
- The Siege of Venice
1991 Milord Runbiff
- Conspiracy
1989 Stringer
- A Summer Story
1988 Frank Ashton
- A Handful of Dust
1988 Tony Last
- The Storyteller: Sapsorrow
1988 Prince
- Maurice
1987 Maurice Hall
- A Room with a View
1986 Party Guest (uncredited)
- Dutch Girls
1985 Dundine
- Dreamchild
1985 Baker
- Privileged
1982 Jamie
