| Movie | 1965 | Chimes at Midnight | Henry IV | |
| Movie | 1982 | Gandhi | Lord Irwin | |
| Movie | 1984 | Frankenstein | De Lacey | |
| Movie | 1974 | Frankenstein: The True Story | Chief Constable | |
| Movie | 1985 | To Be Hamlet | Self | |
| Movie | 1954 | Hamlet: The Actor's View | Self | |
| Movie | 1980 | The Elephant Man | Carr Gomm | |
| Movie | 1997 | David | Stimme Gottes | |
| Movie | 1936 | Secret Agent | Richard Ashenden / Edgar Brodie | |
| Movie | 1974 | Murder on the Orient Express | Mr. Beddoes | |
| Movie | 1988 | Appointment with Death | Colonel Carbury | |
| Movie | 1978 | Les Misérables | Gillenormand | |
| Movie | 1998 | Elizabeth | The Pope | |
| Movie | 1991 | Prospero's Books | Prospero | |
| Movie | 1969 | Oh! What a Lovely War | Count Leopold Von Berchtold | |
| Movie | 1995 | First Knight | Oswald | |
| Movie | 1984 | James Mason: The Star They Loved to Hate | Self - on the set of 'The Shooting Party' (uncredited) | |
| Movie | 1980 | The Formula | Dr. Abraham Esau | |
| Movie | 1992 | Shining Through | Sunflower | |
| Movie | 1996 | DragonHeart | King Arthur (voice) (uncredited) | |
| Movie | 1981 | Chariots of Fire | Master of Trinity | |
| Movie | 1979 | Caligula | Nerva | |
| Movie | 1986 | The Whistle Blower | Sir Adrian Chappie | |
| Movie | 1988 | Arthur 2: On the Rocks | Hobson | |
| Movie | 1981 | Lion of the Desert | Sharif El Gariani | |
| Movie | 1979 | Murder by Decree | Prime Minister | |
| Movie | 1981 | Arthur | Hobson | |
| Movie | 1992 | The Power of One | St. John | |
| Movie | 1966 | Alice in Wonderland | Mock Turtle | |
| Movie | 1985 | Plenty | Sir Leonard Darwin | |
| Movie | 1968 | The Charge of the Light Brigade | Lord Raglan | |
| Movie | 1970 | Julius Caesar | Julius Caesar | |
| Movie | 1955 | Richard III | George, Duke of Clarence | |
| Movie | 1964 | Becket | King Louis VII of France | |
| Movie | 1976 | Aces High | Headmaster | |
| Movie | 1983 | The Scarlet and the Black | Pope Pius XII | |
| Movie | 1965 | The Loved One | Sir Francis Hinsley | |
| Movie | 1986 | Time After Time | Jasper Swift | |
| Movie | 1981 | Sphinx | Abdu-Hamdi | |
| Movie | 1986 | The Canterville Ghost | Sir Simon de Canterville | |
| Movie | 1979 | The Human Factor | Brigadier Tomlinson | |
| Movie | 1996 | The Leopard Son | Narrator | |
| Movie | 1953 | Julius Caesar | Cassius | |
| Movie | 1974 | Gold | Farrell | |
| Movie | 1995 | Haunted | Doctor Doyle | |
| Movie | 1981 | Priest of Love | Herbert G. Muskett | |
| Movie | 1998 | Quest for Camelot | Merlin (voice) | |
| Movie | 1982 | The Hunchback of Notre Dame | Charmolue | |
| Movie | 1977 | The Grand Inquisitor | Inquisitor | |
| Movie | 2001 | Catastrophe | The Protagonist | |
| Movie | 1977 | Providence | Clive Langham | |
| Movie | 1981 | Agatha Christie's Seven Dials Mystery | Marquis of Caterhan | |
| Movie | 1973 | William: The Life, Works and Times of William Shakespeare | Various | |
| Movie | 1954 | Romeo and Juliet | Chorus | |
| Movie | 1985 | The Shooting Party | Cornelius Cardew | |
| Movie | 1973 | Lost Horizon | Chang | |
| Movie | 1933 | The Good Companions | Inigo Jollifant | |
| Movie | 1987 | Quartermaine's Terms | Eddie Loomis | |
| Movie | 1962 | The Cherry Orchard | Gaev | |
| Movie | 1980 | Why Didn't They Ask Evans? | Reverend Jones | |
| Movie | 1957 | Saint Joan | Earl of Warwick | |
| Movie | 1964 | Hamlet from the Lunt-Fontanne Theatre | Ghost (voice) | |
| Movie | 1983 | The Wicked Lady | Hogarth | |
| Movie | 1977 | A Portrait of the Artist as a Young Man | The Preacher | |
| Movie | 1945 | A Diary for Timothy | Hamlet | |
| Movie | 1963 | To Die in Madrid | Narrator (English version) (voice) | |
| Movie | 1968 | Assignment to Kill | Curt Valayan | |
| Movie | 1984 | The Master of Ballantrae | Lord Durrisdeer | |
| Movie | 1988 | A Man for All Seasons | Cardinal Wolsey | |
| Movie | 1984 | Scandalous | Uncle Willie | |
| Movie | 1978 | No Man's Land | Spooner | |
| Movie | 1957 | The Barretts of Wimpole Street | Edward Moulton-Barrett | |
| Movie | 1975 | Galileo | The Old Cardinal | |
| Movie | 1984 | Camille | Duke de Charles | |
| Movie | 1972 | Eagle in a Cage | Lord Sissal | |
| Movie | 1972 | Probe | Harold L. Streeter | |
| Movie | 1977 | Joseph Andrews | The Doctor | |
| Movie | 2011 | Discovering Hamlet | King Hamlet's Ghost (archive footage) | |
| Movie | 1941 | An Airman's Letter to His Mother | Narrator | |
| Movie | 1968 | The Love Song of Barney Kempinski | Rich Man | |
| Movie | 1982 | The Critic | Lord Burleigh | |
| Movie | 1994 | A Summer Day's Dream | | |
| Movie | 2005 | Revisiting Brideshead | Self (archive footage) | |
| Movie | 1992 | Swan Song | Svetlovidov | |
| Movie | 1991 | The Best of Friends | Sydney Cockerell | |
| Movie | 1966 | Ages of Man | | |
| Movie | 1983 | Invitation to the Wedding | | |
| Movie | 1974 | 11 Harrowhouse | Meecham | |
| Movie | 1978 | Richard II | John of Gaunt | |
| Movie | 1985 | Romance on the Orient Express | Theodore Woodward | |
| Movie | 1996 | Looking for Richard | Self - Interviewee | |
| Movie | 1996 | Hamlet | Priam | |
| Movie | 1972 | Home | Harry | |
| Movie | 1968 | Sebastian | Head of Intelligence | |
| Movie | 1941 | The Prime Minister | Disraeli | |
| Movie | 1991 | The Strauss Dynasty | Drechsler | |
| Movie | 1989 | Getting It Right | Sir Gordon Munday | |
| Movie | 1996 | The Portrait of a Lady | Mr. Touchett | |
| Movie | 1992 | A Walk Through Prospero's Library | Prospero | |
| Movie | 1932 | Insult | Henri Dubois | |
| Movie | 1996 | Shine | Cecil Parkes | |
| Movie | 1982 | Inside the Third Reich | Albert Speer Sr. | |
| Movie | 1966 | The Mayfly and the Frog | Gabriel Quantara | |
| Movie | 1980 | The Conductor | John Lasocki | |
| Movie | 1937 | Heredity in Man | Self | |
| Movie | 1958 | The Immortal Land | | |
| Movie | 1990 | A TV Dante | Virgil | |
| Movie | 1985 | Leave All Fair | John Middleton Murry | |
| Movie | 1992 | The South Bank Show: Noël Coward | Self | |
| Movie | 1968 | The Shoes of the Fisherman | The Elder Pope | |
| Movie | 1956 | Around the World in Eighty Days | Foster | |
| Movie | 2016 | Play On! Shakespeare in Silent Film | Self | |
| Movie | 1990 | Strike It Rich | Herbert Dreuther | |
| Movie | 1976 | The Picture of Dorian Gray | Lord Henry Wotton | |
| Movie | 1987 | Funny, You Don't Look 200: A Constitutional Vaudeville | British Lord | |
| Movie | 1967 | Romeo and Juliet | Chorus | |
| Movie | 1924 | Who Is the Man? | Daniel | |
| Movie | 1978 | Romeo and Juliet | Chorus | |
| Movie | 1929 | The Clue of the New Pin | Rex Trasmere | |
| Movie | 1998 | The Tichborne Claimant | Cockburn | |
| Movie | 1977 | Heartbreak House | Captain Shotover | |
| Movie | 1986 | Theban Plays: Oedipus the King | Tieresias | |
| Movie | 1986 | Theban Plays: Antigone | Tiresias | |
| Movie | 1976 | Peter Pan | Narrator | |
| Movie | 1967 | October Revolution | Narrator (voice) | |
| Movie | 1991 | Preminger: Anatomy of a Filmmaker | Self (archive footage) | |
| Movie | 1995 | The Thomas The Tank Engine Man | Self (Voice) | |
| Movie | 1998 | Rachmaninoff: The Harvest of Sorrow | | |
| Movie | 1991 | A TV Dante (Cantos 9 to 14) | Virgil (voice) | |
| Movie | 1988 | In from the Cold? A Portrait of Richard Burton | Self | |
| Movie | 1990 | Vivien Leigh: Scarlett and Beyond | Self | |
| Movie | 2018 | Nothing Like a Dame | Self (archive footage) | |
| Movie | 1953 | Ariel’s Song / Full Fathom Five | Narrator | |
| Movie | 1990 | Rabbit Ears - The Emperor's New Clothes | Narrator (voice) | |
| Movie | 1989 | Barbablù, Barbablù | Barbablù | |
| Movie | 2009 | Behind The Scenes of Caligula | | |
| Movie | 1955 | ITV Opening Night at the Guildhall | John Worthing, JP | |
| Movie | 1982 | Laurence Olivier: a life | Self | |
| Movie | 1966 | Ivanov | Nikolai ivanov | |
| TV Show | 1979 | Tales of the Unexpected | Jelks | 1 |
| TV Show | 1976 | Second City Television | Self | 1 |
| TV Show | 1987 | Inspector Morse | Lord Hinksey | 1 |
| TV Show | 1973 | Frankenstein: The True Story | Chief Constable | 2 |
| TV Show | 1951 | Hallmark Hall of Fame | The Ghost | 1 |
| TV Show | 1974 | QB VII | Clinton-Meek | 2 |
| TV Show | 1981 | Brideshead Revisited | Edward 'Ned' Ryder | 11 |
| TV Show | 1970 | Play for Today | Harry | 1 |
| TV Show | 1996 | Gulliver's Travels | Professor of Light | 2 |
| TV Show | 1966 | ABC Stage 67 | Rich Man | 1 |
| TV Show | 1970 | Menace | | 1 |
| TV Show | 1994 | Scarlett | | 4 |
| TV Show | 1997 | A Dance to the Music of Time | St. John Clarke | 4 |
| TV Show | 1989 | Summer's Lease | Haverford Downs | 4 |
| TV Show | 1972 | ABC Afterschool Special | Various Roles | 1 |
| TV Show | 1988 | War and Remembrance | Aaron Jastrow | 12 |
| TV Show | 1998 | Merlin | King Constant | 2 |
| TV Show | 1985 | Screen Two | | 1 |
| TV Show | 1983 | Wagner | Pfistermeister | 10 |
| TV Show | 1986 | Lovejoy | Lord Wakering | 1 |
| TV Show | 1995 | Stick with Me, Kid | Grandpa | 13 |
| TV Show | 1984 | Six Centuries of Verse | Self - Presenter | 16 |
| TV Show | 1948 | The Ed Sullivan Show | Self | 2 |
| TV Show | 1993 | Hollywood U.K.: British Cinema in the Sixties | Self | 1 |
| TV Show | 1991 | The Strauss Dynasty | Drechsler | 6 |
| TV Show | 1951 | Hallmark Hall of Fame | Charmolue | 1 |
| TV Show | 1951 | Hallmark Hall of Fame | Lord Durrisdeer | 1 |
| TV Show | 1951 | Hallmark Hall of Fame | Duke | 1 |
| TV Show | 1959 | The Big Party | Self | 1 |
| TV Show | 1965 | BBC Play of the Month | Chorus | 1 |
| TV Show | 1967 | Omnibus | Self | 3 |
| TV Show | 1964 | The Wednesday Play | Gabriel Quantara | 1 |
| TV Show | 1959 | The Bell Telephone Hour | Self | 1 |
| TV Show | 1957 | Tonight Starring Jack Paar | Self | 1 |
| TV Show | 1968 | The Dick Cavett Show | Self - Guest | 2 |
| TV Show | 1982 | Marco Polo | Doge di Venezia | 1 |
| TV Show | 1984 | The Far Pavilions | Cavagnari | 2 |
| TV Show | 1971 | Great Performances | Self | 3 |
| TV Show | 1979 | Tales of the Unexpected | Cyril Boggis | 1 |
| TV Show | 1991 | Performance | Stephen Dawlish | 1 |
| TV Show | 1965 | BBC Play of the Month | The Inquisitor | 1 |
| TV Show | 1965 | BBC Play of the Month | Charles II | 1 |
| TV Show | 1965 | BBC Play of the Month | Lord Henry 'Harry' Wotton | 1 |
| TV Show | 1965 | BBC Play of the Month | Capt. Shotover | 1 |
| TV Show | 1965 | BBC Play of the Month | Lord Burleigh | 1 |
