Filmography55 titles
| Year | Title | Character | Age at release |
|---|---|---|---|
| 2024 | And Mrs.Movie | Derek | 78 |
| 2022 | Remembers…Series | — | 76 |
| 2019 | The Spanish PrincessSeries | Thomas Howard | 73 |
| 2015 | UnforgottenSeries | Martin | 69 |
| 2014 | GrantchesterSeries | Archie Johnson | 68 |
| 2010 | Downton AbbeySeries | Hugh 'Shrimpie' MacClare | 64 |
| 2009 | Moving OnSeries | Eric | 63 |
| 2007 | Death at a FuneralMovie | Victor | 61 |
| 2005 | JerichoSeries | Philip Pickering | 59 |
| 2005 | Whatever Love MeansMovie | Prince Philip | 59 |
| 2003 | Comedy ConnectionsSeries | — | 57 |
| 2002 | The Inspector Lynley MysteriesSeries | Dr. Trenarrow | 56 |
| 2000 | 2001: A Space TravestyMovie | Dr. Griffin Pratt | 54 |
| 1999 | Loose WomenSeries | Self | 53 |
| 1998 | The Cater Street HangmanMovie | Edward Ellison | 52 |
| 1997 | Midsomer MurdersSeries | Norman Swanscombe | 51 |
| 1997 | BeanMovie | Lord Walton | 51 |
| 1997 | Midsomer MurdersSeries | Grady Palmerston | 51 |
| 1995 | ChillerSeries | Richard Cramer | 49 |
| 1994 | MacGyver: Trail to DoomsdayMovie | Frederick | 48 |
| 1992 | A Touch of FrostSeries | Richard Darrow | 46 |
| 1990 | The ChiefSeries | Simon Duval | 44 |
| 1989 | Joint AccountSeries | — | 43 |
| 1987 | The Ruth Rendell MysteriesSeries | Rev. Henry Archery | 41 |
| 1987 | A Perfect SpySeries | Magnus Pym | 41 |
| 1986 | Paradise PostponedSeries | George Augustus Simcox | 40 |
| 1985 | A Woman of SubstanceSeries | Adam Fairley | 39 |
| 1984 | Ever Decreasing CirclesSeries | — | 38 |
| 1984 | A Taste of HoneyMovie | Peter | 38 |
| 1984 | A Taste of HoneySeries | Peter | 38 |
| 1983 | Reilly: Ace of SpiesSeries | Fothergill | 37 |
| 1983 | The Dark Side of the SunSeries | — | 37 |
| 1982 | StrangledMovie | Steve Baker | 36 |
| 1981 | Chariots of FireMovie | Duke of Sutherland | 35 |
| 1979 | Tales of the UnexpectedSeries | Keith | 33 |
| 1979 | Prince RegentSeries | George, Prince of Wales / King George IV | 33 |
| 1978 | LillieSeries | Oscar Wilde | 32 |
| 1978 | The CopyistMovie | The Copyist | 32 |
| 1977 | BBC2 Play of the WeekSeries | Copyist | 31 |
| 1977 | The KitchenMovie | Peter | 31 |
| 1977 | The Velvet GloveSeries | Eddy | 31 |
| 1976 | Plays for BritainSeries | Bunny / Trevor / Miss Trevor / Dinah | 30 |
| 1976 | Victorian ScandalsSeries | Henry James Prince | 30 |
| 1976 | The LifeswappersMovie | Bunny/Trevor/Miss Trevor/Dinah | 30 |
| 1975 | The Love SchoolSeries | John Everett Millais | 29 |
| 1975 | HennessyMovie | Williams | 29 |
| 1974 | ZodiacSeries | Tony Weston | 28 |
| 1974 | CallanMovie | Toby Meres | 28 |
| 1970 | Play for TodaySeries | Purdie | 24 |
| 1970 | The RivalsMovie | Faulkland | 24 |
| 1969 | W. Somerset MaughamSeries | Tito | 23 |
| 1969 | Big Breadwinner HogSeries | Hog | 23 |
| 1967 | ITV PlayhouseSeries | Peter Morris | 21 |
| 1965 | BBC Play of the MonthSeries | Freddie | 19 |
| 1965 | BBC Play of the MonthSeries | Faulkland | 19 |