Film | Rôle | Année |
|---|
| Citizen Kane | Charles Foster Kane | 1941 |
| Un homme pour l'éternité | Cardinal Wolsey | 1966 |
| La Splendeur des Amberson | Narrator (voice) | 1942 |
| Falstaff | Falstaff | 1965 |
| Le Troisième Homme | Harry Lime | 1949 |
| La soif du Mal | Police Captain Hank Quinlan | 1958 |
| La Folle Histoire du monde | Narrator (voice) | 1981 |
| 12 + 1 | Markan | 1969 |
| Le Procès | Albert Hastler | 1962 |
| Transformers, le film | Unicron (voice) | 1986 |
| Moby Dick | Father Mapple | 1956 |
| Catch-22 | Brigadier General Dreedle | 1970 |
| La Dame de Shanghai | Michael O'Hara | 1947 |
| Paris brûle-t-il ? | Konsul Nordling | 1966 |
| Le Criminel | Prof. Charles Rankin | 1946 |
| Dix Petits Nègres | Voice on Tape | 1974 |
| Un cri dans l'ombre | Leschenhaut | 1968 |
| Voyage au pays de la peur | Colonel Haki | 1943 |
| L'Île au trésor | Long John Silver | 1972 |
| The Deep | Russ Brewer | 1970 |
| Miss Goodall and the Wild Chimpanzees | Self - Narrator (voice) | 1965 |
| Jane Eyre | Edward Rochester | 1943 |
| Don Quichotte | Self | 1992 |
| According to Occam's Razor | | 1999 |
| A Linguagem de Orson Welles | Self (archive footage) | 1990 |
| Celebração - 100 Anos do Cinema Nacional | Self | 1997 |
| Casino Royale | Le Chiffre | 1967 |
| Waterloo | Louis XVIII | 1970 |
| Hollywood Parade | Orson Welles (uncredited) | 1944 |
| La bataille de la Neretva | Četnik | 1969 |
| Rikki-Tikki-Tavi | Narrator / Nag / Chuchundra (voice) | 1975 |
| Macbeth | Macbeth | 1948 |
| Butterfly | Judge Rauch | 1982 |
| Les Feux de l'été | Will Varner | 1958 |
| Le génie du mal | Jonathan Wilk | 1959 |
| Necromancy | Mr. Cato | 1972 |
| Les Vikings | Narrator (voice) (uncredited) | 1958 |
| Vérités et Mensonges | Self | 1973 |
| Napoléon | Sir Hudson Lowe | 1955 |
| Hôtel international | Max Buda | 1963 |
| American: An Odyssey to 1947 | Self (archive footage) | 2022 |
| La Rose noire | Bayan | 1950 |
| L'Étoile du sud | Plankett | 1969 |
| Échec à Borgia | Cesare Borgia | 1949 |
| From Introduction to Orson Welles’s Falstaff: Chimes at Midnight | Falstaff | 2023 |
| Dossier secret | Gregory Arkadin | 1955 |
| Demain viendra toujours | John Andrew MacDonald | 1946 |
| Three Cases of Murder | Lord Mountdrago ("Lord Mountdrago" segment) | 1955 |
| La Lettre du Kremlin | Bresnavitch | 1970 |
| Alfonso Sansone - produttore per caso | Self (archive footage) | 2014 |
| Malpertuis | Cassavius | 1972 |
| Othello | Othello | 1951 |
| The Man Who Saw Tomorrow | Presenter / Narrator (voice) | 1981 |
| Si Versailles m'était conté... | Benjamin Franklin | 1953 |
| Orson Welles, l'homme-orchestre | Self (archive footage) | 1995 |
| La Grande bataille | Narratore | 1978 |
| L’Affaire Dominici par Orson Welles | Self (archive footage) | 2003 |
| Trois pour un massacre | Colonel Cascorro | 1969 |
| Tajna Nikole Tesle | J.P. Morgan | 1980 |
| Slapstick-D'un autre genre | Aliens' Father (voice) | 1982 |
| A Safe Place | The Magician | 1971 |
| Hot Tomorrows | Parklawn Mortuary (voice) | 1977 |
| Trent's Last Case | Sigsbee Manderson | 1952 |
| La Décade prodigieuse | Théo Van Horn | 1971 |
| Une histoire immortelle | Charles Clay | 1968 |
| Emergency: Donald Trump’s "Touch of Evil" | (archive footage) | 2019 |
| The Late Great Planet Earth | Self | 1978 |
| Le Voyage des damnés | José Estedes | 1976 |
| David e Golia | King Saul | 1960 |
| Cagliostro | Joseph Balsamo aka Count Cagliostro | 1949 |
| It's All True | Self | 1993 |
| Visa pour Hong Kong | Captain Hart | 1959 |
| RoGoPaG | The 'Director' (segment "La ricotta") | 1963 |
| Street Gang: How We Got to Sesame Street | Self (archive footage) (uncredited) | 2021 |
| Future Shock | Narrator | 1972 |
| Get to Know Your Rabbit | Mr. Delasandro | 1972 |
| The Fountain of Youth | the narrator | 1958 |
| The Force Beyond | Himself (archive footage) | 1977 |
| The Spanish Earth | Narrator (voice) | 1937 |
| The Witching | Mr. Cato | 1983 |
| La Fabuleuse Aventure de Marco Polo | Akerman, Marco's Teacher | 1965 |
| It Happened One Christmas | Henry F. Potter | 1977 |
| Filming Othello | Host | 1979 |
| Mysterious Castles of Clay | Narrator | 1978 |
| Qu'arrivera-t-il après ? | Jonathan Lute | 1967 |
| Trouble in the Glen | Sanin Cejador y Mengues | 1954 |
| Where Is Parsifal? | Klingsor | 1984 |
| Return to Glennascaul | Narrator | 1953 |
| Tudo é Brasil | Self (archive footage) | 1997 |
| Parkinson at 50 | Self (archive footage) | 2021 |
| Le Chemin vers Bresson | Self | 1984 |
| Too Much Johnson | Keystone Kop | 1938 |
| Les Tartares | Burundai | 1961 |
| Is It Always Right to Be Right? | Narrator | 1970 |
| Hot Money | Sheriff Paisley | 1983 |
| L'uomo, la bestia e la virtù | Captain Perella, the Beast | 1953 |
| Someone to Love | Danny's Friend | 1987 |
| Le dernier des Romains | Justinian | 1968 |
| Magic with the Stars | Self - Host | 1982 |
| The Cave: a parable told by Orson Welles | Narrator | 1973 |
| King Lear | King Lear | 1953 |
| Centinelas del Silencio | | 1971 |
| The Greatest Adventure--The Story of Man's Voyage to the Moon | Narrator | 1979 |
| Orson Welles en el país de don Quijote | Self (Archive footage) | 2000 |
| The Rime of the Ancient Mariner | Narrator | 1977 |
| Tall Tales: The Ireland of Orson Welles | Self | 2021 |
| Notre Dame de la Croisette | Self (archive footage) (uncredited) | 1983 |
| Othelo, O Grande | Self (archive footage) | 2024 |
| The Sailor from Gibraltar | Louis de Mozambique | 1967 |
| The Dreamers | Marcus Kleek | 1985 |
| Shut Up Little Man! An Audio Misadventure | Himself | 2011 |
| Les Racines du ciel | Cy Sedgewick | 1958 |
| Crack in the Mirror | Hagolin / Lamerciere | 1960 |
| To Build a Fire | Narrator (voice) | 1969 |
| Orson Welles in Spain | Himself | 1966 |
| Le Salaire du diable | Virgil Renchler | 1957 |
| Les Muppets : Ça c'est du cinéma ! | Lew Lord | 1979 |
| Final Cut : Ladies And Gentlemen | (archive footage) | 2012 |
| The Battle Over Citizen Kane | Self (archive footage) | 1996 |
| The Muppets: A Celebration of 30 Years | Self (archive footage) | 1986 |
| Looking Back Before You Leap | General Zaroff (voice) | 2023 |
| Ten Days That Shook the World | Narrator | 1967 |
| It's Pretty, but is it Art? | Self (voiceover) | 2023 |
| Magician: The Astonishing Life and Work of Orson Welles | Self - Filmmaker / Various Roles (archive footage) | 2014 |
| فروغ جاودان | Narrator | 1971 |
| De l'autre côté du vent | Journalist (uncredited) | 2018 |
| The Paranormal Peter Sellers | Self (Archive footage) | 2001 |
| A King's Story | Narrator | 1965 |
| The Spirit of Charles Lindbergh | himself | 1984 |
| Clint Eastwood, la dernière légende | Self (archive footage) | 2022 |
| Upon This Rock | Michelangelo (voice) | 1970 |
| Tut: The Boy King | Himself - Host | 1978 |
| This Is Orson Welles | Self | 2015 |
| The Hearts of Age | Death | 1934 |
| Jodorowsky's Dune | Self - Filmmaker (archive footage) | 2013 |
| Louis Armstrong's Black & Blues | Self (archive footage) | 2022 |
| Twelfth Night | Narrator | 1933 |
| The Shadow Knows | Self (archive footage) | 2012 |
| Vienna | Himself | 1968 |
| Lucifer et moi | (archive footage 1982) | 2009 |
| Swiss Family Robinson | Opening Narrator (uncredited) | 1940 |
| The Merchant of Venice | Shylock | 1969 |
| On the tracks of a filmmaker | Orson Welles | 1988 |
| Who's Out There? | Host | 1975 |
| The Battle of Grovers Mill | Radio Host (voice) (archival footage) | 2024 |
| A un solo paso | English Narrator | 1980 |
| The Last Sailors: The Final Days of Working Sail | Narrator | 1984 |
| Moby Dick | Captain Ahab / Starbuck / Ishmael (archive footage) | 2000 |
| Lettre à Jane | Self (archive footage) (uncredited) | 1974 |
| Orson Welles' Magic Show | Self | 1985 |
| La Fayette | Benjamin Franklin | 1962 |
| Filming 'The Trial' | Self | 1981 |
| The Finest Hours | Narrator (voice) | 1964 |
| Portrait: Orson Welles | Self | 1968 |
| Directed by John Ford | Narrator (voice) | 1971 |
| Rita Hayworth: Dancing Into the Dream | Self (archive footage) | 1990 |
| Oedipus the King | Tiresias | 1968 |
| Commencez la révolution sans nous | The Narrator | 1970 |
| Soft Self-Portrait of Salvador Dali | Narrator (voice) | 1969 |
| Pour la conquête de Rome II | Justinian | 1969 |
| Freedom River | Narrator | 1971 |
| With Orson Welles: Stories from a Life in Film | Self (archive footage) | 1990 |
| Orson's Bag: London | Winston Churchill / George Bernard Shaw | 1971 |
| An Evening with Orson Welles: The Golden Honeymoon | | 1970 |
| A Huey P. Newton Story | Self (archive footage) (uncredited) | 2001 |
| Brunnen | | 2005 |
| From Fiber to Fabric: Wool's a Natural | Narrator | 1977 |
| Lost in La Mancha | Self (archive footage) | 2002 |
| Show-Business at War | Self | 1943 |
| NASA: A Space Odyssey Vol. 3 | Narrator | 2001 |
| Brother, Can You Spare a Dime? | Self (archive footage) | 1975 |
| Duel au soleil | Narrator (voice) (uncredited) | 1946 |
| A Horse Called Nijinsky | Narrator | 1970 |
| The Orson Welles Show | Self | 1979 |
| Désordre | Self | 1950 |
| The Greenstone | Narrator (voice) | 1980 |
| Ils m'aimeront quand je serai mort | Self (archive footage) | 2018 |
| The Quest for Fire Adventure | Narrator | 1982 |
| Working with Orson Welles | Himself (Archive Footage) | 1993 |
| Cineastes contra magnats | Self (archive footage) | 2005 |
| Bugs Bunny Superstar | Narrator (voice) | 1976 |
| グリックの冒険 | Pippo | 1981 |
| Lon Chaney L'homme Aux 1000 Visages | Self (archive footage) | 2000 |
| The Eyes of Orson Welles | Self - Filmmaker / Various Roles (archive footage) | 2018 |
| The Hitch Hiker | Ronald Adams | 2004 |
| La cinquième offensive | Winston Churchill | 1973 |
| A Jangada de Welles | Himself (Archive Footage) | 2022 |
| High Journey | Narrator | 1959 |
| Orson Welles: The Paris Interview | Himself | 2010 |
| Around the World of Mike Todd | Self - Narrator | 1968 |
| La Classe américaine | Self (archive footage) | 1993 |
| Battle for Survival | Narrator | 1946 |
| Orson Welles à la Cinémathèque française | Himself | 1983 |
| Druga strana Wellesa | Self (archive footage) | 2005 |
| Hopper/Welles | Self | 2020 |
| The Cave | Narrator | 1973 |
| Jeanne Moreau, l'affranchie | Self - Filmmaker (archive footage) | 2018 |
| The Challenge... A Tribute to Modern Art | Narrator | 1974 |
| The Best of the Dean Martin Celebrity Roasts | Self - Roaster (archive footage) | 1998 |
| Rosabella - La storia italiana di Orson Welles | | 1993 |
| Something Else | | |
| Genocide | Narrator (voice) | 1982 |
| Orson Welles at Large: Portrait of Gina | Self - Host | 1958 |
| Orson Welles' Sketch Book | Self - Host | 1955 |
| The Dean Martin Celebrity Roast: Michael Landon | Self | 1984 |
| The Psychic Connection | Narrator | 1983 |
| King Penguin: Stranded Beyond the Falklands | Self - Narrator | 1983 |
| Natalie - A Tribute to a Very Special Lady | Self | 1982 |
| Baryshnikov in Hollywood | Self - Narrator | 1982 |
| Doug Henning's World of Magic | Self - Special Guest | 1982 |
| Let Poland Be Poland | Self | 1982 |
| Out of Darkness | Self - Narrator | 1956 |
| Le désordre a vingt ans | Self | 1967 |
| Une légende une vie: Citizen Welles | | 1974 |
| Orson Welles - Das vermarktete Genie | Self | 1975 |
| Frank Sinatra: The First 40 Years | Self | 1979 |
| Austerlitz | Robert Fulton | 1960 |
| Natalie Wood : Ce Qui Reste | Self (archive footage) | 2020 |
| The Magic History of Cinema | | 2017 |
| Embers & Dust | Professor Richard Pierson / Self (voice) (archive sound) | 2016 |
| Know Your Ally: Britain | Narrator/Bob (helpful taxi passenger) | 1944 |
| Mexico City, Old and New | Narrator | 1945 |
| South Seas Adventure | Narrator | 1958 |
| Les Seigneurs de la forêt | Narrator (voice) | 1958 |
| Der große Atlantik | Narrator (English) | 1962 |
| An Arabian Night | Storyteller | 1960 |
| Nem Tudo É Verdade | Himself (archive footage) | 1986 |
| Kelly Country | Narrator | 1973 |
| Power and Corruption | Himself | 1973 |
| The Lions of Capitalism: Some Call It Greed | Narrator | 1977 |
| The Double McGuffin | Narrator (voice) | 1979 |
| The Enemy Before Us | Narrator | 1970 |
| The Man Who Came to Dinner | Sheridan Whiteside | 1972 |
| To Try Again... and Succeed | Narrator (voice) | 1979 |
| The New Media Bible: Book of Genesis | Narrator | 1979 |
| Franklin D. Roosevelt Four Freedoms Park | Narrator | 1980 |
| Search for the Titanic | Himself (host) | 1981 |
| A Gift of Harvest | Narrator | 1981 |
| In Our Hands | Himself | 1984 |
| Almonds and Raisins | Narrator | 1984 |
| Wagner e Venezia | Richard Wagner (voice) | 1982 |
| The New Deal for Artists | Narrator (voice) | 1981 |
| NBC: The First Fifty Years | Self / Narrator | 1976 |
| Magnificent Monsters of the Deep | Narrator | 1975 |
| Jeanne Moreau : Vive le cinéma ! | Self | 1972 |
| Brasil | Self (archive footage) | 1981 |
| Cameraman : The Life and Work of Jack Cardiff | Genghis Khan / Bayan (archive footage) | 2010 |
| Caesar's Guide to Gaming with Orson Welles | Himself | 1978 |
| The Land of the Basques | Himself | 1955 |
| The Blinding of Isaac Woodard | Self (archive footage) | 2021 |
| Beggars Would Ride | Narrator | 1967 |
| Who Is Henry Jaglom? | Self (archive footage) | 1997 |
| Night of 100 Stars | Self | 1982 |
| Magic Mirror Maze | | 2012 |
| Aliens Uncovered: Close Encounters | Self | 2024 |
| The Scorpion and the Frog | Narrator (archive footage) | 2025 |
| Lost in "The Thinking" | Self (archive footage) | 2005 |
| Empire of the Air: The Men Who Made Radio | Self - Professor in War of the Worlds Broadcast (archive sound) | 1991 |
| Human Nature in Eleven Parts | Narrator "The Scorpion and the Frog" (archive footage) | 2025 |
| Americans on Everest | Narrator- Self | 1965 |
| Orson Welles Talks With Roger Hill | (Self) | 2005 |
| Hi-Fi | | 1999 |
| The UFO Conspiracy | Self (archive sound) | 2004 |
| Le Roi des rois | Narrator (voice) (uncredited) | 1961 |
| Moby Dick—Rehearsed | An Actor Manager /Father Mapple /Ahab | 1955 |
| Voyage of the Brigantine Yankee | Narrator | |
| The Orson Welles Story | Self | 1982 |
| Profile No. 6: Orson Welles | | 1965 |
| The Real Charlie Chaplin | Self (archive footage) | 2021 |
| A Mother's Tale | Narrator | 1976 |
| The Shirley MacLaine Special: Where Do We Go from Here? | Self | 1977 |
| WeirdWorld | Troy2000 (Archive footage) | 2025 |
| Orson Welles at The Magic Castle | Self | 1978 |
| Orson Welles' F for Fake Trailer | Self - Narrator | 1976 |
| Jim Henson : l'homme aux mille idées | Self (archive footage) | 2024 |
| Citizen Kane Trailer | himself | 1940 |
| Can She Bake a Cherry Pie? | Magician (uncredited) | 1983 |
| Histoires de festival | Self (archive footage) | 2002 |
| Hollywood sul Tevere | | 2009 |
| Orson Welles Uncut | | 2005 |
| The Green Goddess | Rajah/Narrator | 1939 |
| Don Quichotte | | 1955 |
| Orson Welles and People: Camille, the Naked Lady and the Musketeers | Self - Narrator (voice) | 1956 |
| Cinq colonnes à la une: Hong Kong vue par Orson Welles | Self (narrator) | 1960 |
| The Merchant of Venice (Rushes) | Shylock | 1970 |
| An Evening with Orson Welles: The Happy Prince | | 1970 |
| An Evening with Orson Welles: American Heritage, Vol. I – Selections from George Ade, Thomas Wolfe, Mark Twain | | 1970 |
| An Evening with Orson Welles: American Heritage, Vol. II – Clarence Darrow | | 1970 |
| An Evening with Orson Welles: Two Wise Old Men – Socrates and Noah | | 1970 |
| An Evening with Orson Welles: My Little Boy | | 1970 |
| One Man Band | Presenter / Various | 1999 |
| The Dreamers | Marcus Kleek | 1982 |
