| Movie | 1976 | The Omen | Father Brennan | |
| Movie | 1963 | Jason and the Argonauts | Phineas | |
| Movie | 1948 | Hamlet | Player King | |
| Movie | 2021 | Doctor Who: The Evil of the Daleks | The Doctor (voice) | |
| Movie | 1967 | The Viking Queen | Tristram | |
| Movie | 1954 | The Black Knight | King Mark | |
| Movie | 2020 | Doctor Who: The Faceless Ones | The Doctor (voice) | |
| Movie | 2022 | Doctor Who: The Abominable Snowmen | The Doctor (voice) | |
| Movie | 1970 | Scars of Dracula | Klove | |
| Movie | 1978 | Edward & Mrs. Simpson | Clement Attlee | |
| Movie | 1965 | And Did Those Feet ? | Lord Fountain | |
| Movie | 1962 | The Phantom of the Opera | The Rat Catcher | |
| Movie | 1964 | The Black Torment | Regis | |
| Movie | 1948 | Escape | Jim | |
| Movie | 1948 | The Red Shoes | BBC Radio Announcer (voice) | |
| Movie | 1951 | White Corridors | Sailor | |
| Movie | 1950 | The Woman with No Name | Colin | |
| Movie | 2023 | Talking Doctor Who | Self / The Doctor (2) (archive footage) | |
| Movie | 2021 | Doctor Who: The Web of Fear - Episode 3 | The Doctor (voice) | |
| Movie | 2023 | Doctor Who: The Underwater Menace | The Doctor (voice) | |
| Movie | 2019 | Doctor Who: The Macra Terror | The Doctor (voice) | |
| Movie | 1958 | The Moonraker | Captain Wilcox | |
| Movie | 1950 | Chance of a Lifetime | Kettle | |
| Movie | 2015 | Longleat '83: The Lost Footage | | |
| Movie | 1977 | Sinbad and the Eye of the Tiger | Melanthius | |
| Movie | 1968 | Doctor Who: The Enemy of the World | Dr. Who/Salamander | |
| Movie | 1964 | The Gorgon | Inspector Kanof | |
| Movie | 1951 | The Franchise Affair | Bill Brough | |
| Movie | 2013 | Doctor Who: The Day of the Doctor | The Doctor (2) (archive footage) | |
| Movie | 2022 | Troughton in Tibet: Making 'The Abominable Snowmen' | Self (archive footage) | |
| Movie | 2004 | The Evil of the Daleks Episode 2: Commentary | The Doctor | |
| Movie | 2016 | Doctor Who: The Power of the Daleks | The Doctor (Voice) | |
| Movie | 1967 | Doctor Who: The Tomb of the Cybermen | The Doctor | |
| Movie | 1970 | Don't Touch Him, He Might Resent It | Mr. Fidler | |
| Movie | 1978 | A Hitch in Time | Professor Wagstaff | |
| Movie | 1981 | John Diamond | Joseph K'Nee | |
| Movie | 1956 | 1984 | Man on Telescreen (uncredited) | |
| Movie | 1966 | Doctor Who: The Power of the Daleks | Dr. Who | |
| Movie | 1968 | Doctor Who: The Invasion | The Doctor | |
| Movie | 1969 | Doctor Who: The Krotons | The Doctor | |
| Movie | 1969 | Doctor Who: The Seeds of Death | The Doctor | |
| Movie | 1969 | Doctor Who: The Space Pirates | The Doctor | |
| Movie | 1969 | Doctor Who: The War Games | The Doctor | |
| Movie | 1985 | Doctor Who: The Two Doctors | The Doctor | |
| Movie | 1967 | Doctor Who: The Highlanders | The Doctor | |
| Movie | 1967 | Doctor Who: The Underwater Menace | The Doctor | |
| Movie | 1973 | Doctor Who: The Three Doctors | The Doctor | |
| Movie | 1967 | Doctor Who: The Moonbase | The Doctor | |
| Movie | 1967 | Doctor Who: The Macra Terror | The Doctor | |
| Movie | 1967 | Doctor Who: The Faceless Ones | The Doctor | |
| Movie | 1967 | Doctor Who: The Evil of the Daleks | The Doctor | |
| Movie | 1967 | Doctor Who: The Abominable Snowmen | The Doctor | |
| Movie | 1967 | Doctor Who: The Ice Warriors | The Doctor | |
| Movie | 1968 | Doctor Who: The Web of Fear | The Doctor | |
| Movie | 1968 | Doctor Who: Fury from the Deep | The Doctor | |
| Movie | 1968 | Doctor Who: The Wheel in Space | The Doctor | |
| Movie | 1968 | Doctor Who: The Dominators | The Doctor | |
| Movie | 1968 | Doctor Who: The Mind Robber | The Doctor | |
| Movie | 1950 | Treasure Island | Roach | |
| Movie | 1948 | R.U.R. | Radius, a robot | |
| Movie | 2017 | Doctor Who: Twice Upon a Time | The Doctor (2) (archive footage) | |
| Movie | 1975 | Nurse Will Make It Better | Lyall | |
| Movie | 1950 | Waterfront | Sam (uncredited) | |
| Movie | 1983 | Doctor Who: The Five Doctors | The Doctor (2) | |
| Movie | 1966 | Doctor Who: The Tenth Planet | The Doctor (2) (uncredited) | |
| Movie | 2008 | Celebration: Doctor Who in 1983 | (archival footage) | |
| Movie | 2001 | Longleat '83: The Greatest Show in the Galaxy | Himself (archive footage) | |
| Movie | 2003 | Patrick Troughton in America | Self (archive footage) | |
| Movie | 1974 | Frankenstein and the Monster from Hell | Bodysnatcher | |
| Movie | 1962 | Wuthering Heights | Hindley | |
| Movie | 1982 | Doctor Who: Earthshock | The Doctor (2) (archive footage) | |
| Movie | 1976 | Love Letters on Blue Paper | Victor Marsden | |
| Movie | 1980 | No Defence | Judge Barnes-Ritchie | |
| Movie | 1983 | Reluctant Chickens | Malcolm | |
| Movie | 1981 | P.Q. 17 | Commodore Londonderry | |
| Movie | 1955 | Richard III | Tyrell | |
| Movie | 1984 | Amy | Lord Rothermere | |
| Movie | 1949 | Cardboard Cavalier | Executed Man (uncredited) | |
| Movie | 1982 | The Pigman's Protege | William Pierce | |
| Movie | 1977 | The Sinking of the HMS Victoria | Rear Admiral Markham | |
| Movie | 2024 | Doctor Who: The War Games in Colour | The Doctor (2) (archive footage) | |
| Movie | 2024 | Doctor Who at the Proms | The Doctor (2) (archive footage) | |
| Movie | 2009 | Devious | Second Doctor (archive footage) | |
| Movie | 1993 | 30 Years in the TARDIS | Himself (archive footage) | |
| Movie | 2008 | Doctor Who: The Next Doctor | The Doctor (2) (archive footage) | |
| Movie | 2015 | Doctor Who: The Husbands of River Song | The Doctor (2) (picture) (uncredited) | |
| Movie | 1983 | Doctor Who: Mawdryn Undead | The Doctor (2) (archive footage) | |
| Movie | 1972 | Doctor Who: Day of the Daleks | The Doctor (2) (picture) (uncredited) | |
| Movie | 1976 | Doctor Who: The Brain of Morbius | The Doctor (2) (picture) (uncredited) | |
| Movie | 1984 | Doctor Who: Resurrection of the Daleks | The Doctor (2) (archive footage) (uncredited) | |
| Movie | 2008 | The Ties That Bind Us | The Second Doctor (archive footage) | |
| Movie | 2025 | Doctor Who: Wish World & The Reality War | Dr. Who (archive footage) (uncredited) | |
| Movie | 1957 | Ordeal by Fire | La Hire | |
| Movie | 1981 | Tales from the Thousand and One Nights | The Swindler | |
| Movie | 2002 | Myth Makers 53: Patrick Troughton | Self (Archive) | |
| TV Show | 1975 | The Sweeney | Reg Crofts | 1 |
| TV Show | 1985 | Super Gran | Great Sporran of the Isles | 1 |
| TV Show | 1972 | Colditz | Padre | 1 |
| TV Show | 1960 | Danger Man | | 2 |
| TV Show | 1966 | Softly, Softly | | 2 |
| TV Show | 1963 | Doctor Who | | 0 |
| TV Show | 1962 | Z-Cars | | 4 |
| TV Show | 1971 | The Persuaders! | Count Marceau | 1 |
| TV Show | 1986 | The Two of Us | | 30 |
| TV Show | 1971 | Jason King | | 1 |
| TV Show | 1979 | Minder | Joe Mancini | 1 |
| TV Show | 1987 | Inspector Morse | George Jackson | 1 |
| TV Show | 1987 | Knights of God | | 13 |
| TV Show | 1972 | Crown Court | | 1 |
| TV Show | 2021 | Doctor Who: Fury from the Deep | The Doctor (voice) | 6 |
| TV Show | 1962 | The Saint | Insp. Gambetti | 2 |
| TV Show | 1959 | Interpol Calling | Sukru | 1 |
| TV Show | 1975 | Survivors | John Millen | 1 |
| TV Show | 1978 | All Creatures Great and Small | Roddy | 1 |
| TV Show | 1962 | Dr. Finlay's Casebook | | 7 |
| TV Show | 1963 | The Sentimental Agent | | 1 |
| TV Show | 1956 | The Count of Monte Cristo | | 3 |
| TV Show | 1978 | Edward and Mrs Simpson | Clement Atlee | 3 |
| TV Show | 1962 | Compact | | 372 |
| TV Show | 1964 | The Wednesday Play | | 1 |
| TV Show | 1972 | Van der Valk | Father Bosch | 1 |
| TV Show | 1955 | The Adventures of Robin Hood | Constable | 1 |
| TV Show | 1975 | Angels | | 1 |
| TV Show | 1959 | No Hiding Place | | 4 |
| TV Show | 1983 | The Cleopatras | Sextus | 8 |
| TV Show | 1970 | Play for Today | Victor Marsden | 2 |
| TV Show | 1950 | Sunday Night Theatre | Cardinal Wolsey | 1 |
| TV Show | 1973 | Warship | | 1 |
| TV Show | 1970 | The Six Wives of Henry VIII | Duke of Norfolk | 5 |
| TV Show | 1959 | The Third Man | Luigi Carvossa | 1 |
| TV Show | 1960 | Sunday-Night Play | Narrator (voice) | 1 |
| TV Show | 1976 | Yanks Go Home | | 1 |
| TV Show | 1953 | Robin Hood | | 6 |
| TV Show | 1961 | Sir Francis Drake | Gazio | 1 |
| TV Show | 1964 | Sherlock Holmes | | 1 |
| TV Show | 1978 | The Devil's Crown | | 4 |
| TV Show | 1955 | The Adventures of the Scarlet Pimpernel | Sir Andrew Ffoulkes | 15 |
| TV Show | 1958 | The Adventures of William Tell | Hanzler | 1 |
| TV Show | 1959 | International Detective | Silversmith | 1 |
| TV Show | 1962 | The Old Curiosity Shop | | 13 |
| TV Show | 1960 | Maigret | | 1 |
| TV Show | 1976 | Lorna Doone | | 5 |
| TV Show | 1974 | Jennie: Lady Randolph Churchill | | 2 |
| TV Show | 1982 | Foxy Lady | | 12 |
| TV Show | 1976 | The Feathered Serpent | Nasca | 12 |
| TV Show | 1969 | Paul Temple | | 1 |
| TV Show | 1973 | Thriller | Lyall | 1 |
| TV Show | 1963 | Doctor Who | The Doctor | 134 |
| TV Show | 1959 | International Detective | Bela Davos | 1 |
| TV Show | 1955 | The Adventures of Robin Hood | Sir William Fitzwalter | 1 |
| TV Show | 1955 | The Adventures of Robin Hood | Seneschal | 2 |
| TV Show | 1955 | The Adventures of Robin Hood | Traveller | 1 |
| TV Show | 1955 | The Adventures of Robin Hood | Raoul | 1 |
| TV Show | 1955 | The Adventures of Robin Hood | Sir Boland | 1 |
| TV Show | 1955 | The Adventures of Robin Hood | Sir Fulke Devereaux | 1 |
| TV Show | 1969 | The Main Chance | Frederick Owen | 1 |
| TV Show | 1965 | Doctor Who: Lost in Time | The Doctor | 3 |
| TV Show | 2023 | Tales of the Tardis | The Doctor | 2 |
| TV Show | 1987 | Doctor Who Then & Now | Doctor Who | 1 |
| TV Show | 1970 | The Goodies | Dr. Petal | 1 |
| TV Show | 1975 | Space: 1999 | Archon | 1 |
| TV Show | 2013 | Doctor Who: The Doctors Revisited | Self | 11 |
| TV Show | 1972 | Crown Court | Joseph Molloy | 3 |
| TV Show | 1970 | Play for Today | Judge Barnes-Ritchie | 1 |
| TV Show | 1970 | Play for Today | Malcolm | 1 |
| TV Show | 1972 | The Protectors | Bela Karoleon | 1 |
| TV Show | 1982 | Shine on Harvey Moon | Wilf | 1 |
| TV Show | 1984 | The Box of Delights | Cole Hawlings | 3 |
| TV Show | 1970 | Doomwatch | Lyon McArthur / Alan McArthur | 1 |
| TV Show | 1974 | Playhouse | William Pierce | 1 |
| TV Show | 1977 | BBC2 Play of the Week | Rear Admiral Markham | 1 |
| TV Show | 1964 | HMS Paradise | Captain Ahab Rudlow | 1 |
| TV Show | 1970 | On the House | Doctor Stanley | 2 |
| TV Show | 1966 | David Copperfield | Pawnbroker | 1 |
| TV Show | 1966 | The Liars | Pipe Smoker | 13 |
| TV Show | 1973 | Whoops Baghdad | Tamberlane the Terrible | 1 |
| TV Show | 1975 | The Love School | Frederick Stephens | 3 |
| TV Show | 1987 | Yesterday's Dreams | Jack | 1 |
| TV Show | 1962 | Man of the World | Thiboeuf | 1 |
