| 144 Movies featuring Orson Welles. |
| Apple Jack | unknown | 2003 |
| Lost In La Mancha | Himself | 2002 |
| Shylock | Shylock | 1999 |
| Who Is Henry Jaglom? | Himself | 1997 |
| Tudo É Brasil | Himself | 1997 |
| Orson Welles: The One-Man Band | Himself | 1995 |
| It's All True | Himself - Interview | 1993 |
| Classe américaine, La | Himself | 1993 |
| Orson Welles: What Went Wrong? | Himself | 1992 |
| Don Quijote de Orson Welles | Himself (in new version) | 1992 |
| Hearts of Darkness: A Filmmaker's Apocalypse | unknown | 1991 |
| Empire of the Air: The Men Who Made Radio | unknown | 1991 |
| Stars and Stripes | Himself | 1990 |
| Hollywood Mavericks | Himself | 1990 |
| Someone to Love | Danny's Friend | 1987 |
| Transformers: The Movie, The | Unicron | 1986 |
| Spirit of Charles Lindbergh, The | Himself | 1984 |
| In Our Hands | Himself | 1984 |
| Enchanted Journey, The | Pippo | 1984 |
| Almonds and Raisins | Narrator | 1984 |
| Weg naar Bresson, De | Himself | 1984 |
| Where Is Parsifal? | Klingsor | 1983 |
| Hot Money | Sheriff Paisley | 1983 |
| Slapstick | unknown | 1982 |
| Butterfly | Judge Rauch | 1982 |
| Search for the Titanic | unknown | 1981 |
| Notre Dame de la Croisette | Himself | 1981 |
| History of the World: Part I | Narrator | 1981 |
| Genocide | Himself/Narrator | 1981 |
| Step Away | Himself - Narrator | 1980 |
| Man Who Saw Tomorrow, The | Presenter/Narrator | 1980 |
| Greenstone, The | Narrator | 1980 |
| Tajna Nikole Tesle | J.P. Morgan | 1980 |
| Muppet Movie, The | Lew Lord (Special Guest Star) | 1979 |
| Late Great Planet Earth, The | Narrator | 1979 |
| Double McGuffin, The | Narrator | 1979 |
| Mysterious Castles of Clay | Narrator | 1978 |
| Grande attacco, Il | Narrator | 1978 |
| Force Beyond, The | Himself (commenting on The War of the Worlds radio broadcast) | 1978 |
| Filming 'Othello' | Host | 1978 |
| Lions of Capitalism, The | Narrator | 1977 |
| Hot Tomorrows | Parklawn Mortuary | 1977 |
| Challenge... A Tribute to Modern Art, The | unknown | 1977 |
| Some Call It Greed | Narrator | 1977 |
| Rime of the Ancient Mariner | Narrator | 1977 |
| Voyage of the Damned | Estedes | 1976 |
| Bugs Bunny Superstar | Narrator | 1976 |
| America at the Movies | unknown | 1976 |
| Who's Out There? | Host | 1975 |
| Underwelles | unknown | 1975 |
| Brother, Can You Spare a Dime? | Himself | 1975 |
| Vérités et mensonges | Himself | 1974 |
| And Then There Were None | Voice of Tape | 1974 |
| Treasure Island | Long John Silver | 1972 |
| Necromancy | Mr. Cato | 1972 |
| Get to Know Your Rabbit | Mr. Delasandro | 1972 |
| Salvador Dalà | Narrator | 1971 |
| Safe Place, A | Magician | 1971 |
| Malpertuis | Cassavius | 1971 |
| London | Various Characters | 1971 |
| Décade prodigieuse, La | Theo Van Horn | 1971 |
| Directed by John Ford | Narrator | 1971 |
| Centinelas del silencio | Narrator (English) | 1971 |
| Catch-22 | Brig. Gen. Dreedle | 1970 |
| Waterloo | King Louis XVIII | 1970 |
| Start the Revolution Without Me | Narrator | 1970 |
| Kremlin Letter, The | Bresnavitch, Head of Soviet Politburo/Grodin's Father-in-Law | 1970 |
| Is It Always Right to Be Right? | Narrator | 1970 |
| Horse Called Nijinsky, A | Narrator | 1970 |
| Deep, The | Russ Brewer | 1970 |
| 12 + 1 | Markan | 1969 |
| Southern Star, The | Plankett | 1969 |
| Kampf um Rom II - Der Verrat | Justinian | 1969 |
| Bitka na Neretvi | Chetnik senator | 1969 |
| Tepepa | Colonel Cascorro | 1968 |
| Vienna | Himself | 1968 |
| Kampf um Rom I | Emperor Justinian | 1968 |
| Immortal Story, The | Mr. Charles Clay | 1968 |
| House of Cards | Leschenhaut | 1968 |
| Around the World of Mike Todd | Narrator | 1968 |
| Oedipus the King | Tiresias | 1967 |
| I'll Never Forget What's'isname | Jonathan Lute | 1967 |
| Désordre à vingt ans, Le | unknown | 1967 |
| Casino Royale | Le Chiffre | 1967 |
| Sailor from Gibraltar, The | Louis de Mozambique | 1967 |
| Paris brûle-t-il? | Consul Raoul Nordling | 1966 |
| Man for All Seasons, A | Cardinal Wolsey | 1966 |
| King's Story, A | Narrator | 1965 |
| Fabuleuse aventure de Marco Polo, La | Akerman, Marco's Tutor | 1965 |
| Campanadas a medianoche | Falstaff | 1965 |
| Finest Hours, The | Narrator | 1964 |
| V.I.P.s, The | Max Buda | 1963 |
| Ro.Go.Pa.G. | The 'Director' (segment "La ricotta") | 1963 |
| La Fayette | Benjamin Franklin | 1962 |
| Procès, Le | Hastler (The Advocate) | 1962 |
| Tartari, I | Burundai | 1961 |
| King of Kings | unknown | 1961 |
| David e Golia | King Saul | 1960 |
| Crack in the Mirror | Hagolin/Lamerciere | 1960 |
| Austerlitz | Robert Fulton | 1960 |
| Seigneurs de la forêt, Les | Narrator, English Language Version | 1959 |
| High Journey | Narrator | 1959 |
| Ferry to Hong Kong | Captain Hart | 1959 |
| Compulsion | Jonathan Wilk | 1959 |
| Roots of Heaven, The | Cy Sedgewick | 1958 |
| Long, Hot Summer, The | Will Varner | 1958 |
| Vikings, The | unknown | 1958 |
| Touch of Evil | Police Captain Hank Quinlan | 1958 |
| South Seas Adventure | Narrator | 1958 |
| Man in the Shadow | Virgil Renchler | 1957 |
| Incredible Shrinking Man, The | Off-Screen Narrator of Trailer | 1957 |
| Moby Dick | Father Mapple | 1956 |
| Three Cases of Murder | Lord Mountdrago ("Lord Mountdrago" segment) | 1955 |
| Napoléon | Sir Hudson Lowe | 1955 |
| Mr. Arkadin | Gregory Arkadin | 1955 |
| Si Versailles m'était conté | Benjamin Franklin/Narrator, dubbed version | 1954 |
| Uomo, la bestia e la virtù, L' | Captain Perella, the Beast | 1953 |
| Trouble in the Glen | Sanin Cejador y Mengues | 1953 |
| Petit monde de Don Camillo, Le | Narrator (American version) | 1952 |
| Trent's Last Case | Sigsbee Manderson | 1952 |
| Tragedy of Othello: The Moor of Venice, The | Othello | 1952 |
| Return to Glennascaul | Himself | 1951 |
| Black Rose, The | Bayan | 1950 |
| Third Man, The | Harry Lime | 1949 |
| Prince of Foxes | Cesare Borgia | 1949 |
| Désordre | Himself | 1949 |
| Black Magic | Charlatan Cagliostro | 1949 |
| Macbeth | Macbeth | 1948 |
| Lady from Shanghai, The | Michael O'Hara | 1947 |
| Battle for Survival | Narrator | 1947 |
| Tomorrow Is Forever | John Andrew MacDonald/Erik Kessler | 1946 |
| Stranger, The | Professor Charles Rankin | 1946 |
| Duel in the Sun | unknown | 1946 |
| Jane Eyre | Edward Rochester | 1944 |
| Follow the Boys | Himself | 1944 |
| Show Business at War | Himself | 1943 |
| Journey Into Fear | Colonel Haki | 1943 |
| Tanks | Narrator | 1942 |
| Magnificent Ambersons, The | Narrator | 1942 |
| Citizen Kane | Charles Foster Kane | 1941 |
| Swiss Family Robinson | unknown | 1940 |
| Too Much Johnson | Keystone Kop | 1938 |
| Spanish Earth, The | Narrator (English version) (later replaced by Ernest Hemingway) | 1937 |
| Hearts of Age, The | Death | 1934 |
| 10 TV Series featuring Orson Welles. |
| Backstory | Himself | 2001 |
| Great Depression, The | Himself (discusses War Of The Worlds broadcast) | 1998 |
| Scene of the Crime | Himself - Host | 1984 |
| Tales of the Klondike | Narrator | 1981 |
| Shogun | Narrator (original version) | 1980 |
| Great Mysteries | Himself - Host | 1973 |
| Silent Years, The | Himself - Host | 1971 |
| In the Land of Don Quixote | Himself | 1964 |
| Orson Welles Sketchbook, The | Host | 1955 |
| Around the World with Orson Welles | Himself - Host | 1955 |
| 3 Videos featuring Orson Welles. |
| Pulp Cinema | Himself | 2001 |
| Best of Film Noir, The | Himself | 1999 |
| War of the Worlds: Great Books, The | Himself (explaining that the broadcast was of the H.G. Wells story) | 1994 |
