Filmography
| Year | Title | Role | Notes |
|---|---|---|---|
| 1930 | The Great Game | George | |
| 1934 | Get Your Man | Tom Jakes | |
| 1934 | Leave It to Blanche | Ronnie | |
| 1935 | All at Sea | Aubrey Bellingham | |
| 1936 | Men Are Not Gods | Tommy Stapleton | |
| 1937 | Storm in a Teacup | Frank Burdon | |
| 1937 | School for Husbands | Leonard Drummond | |
| 1938 | Sidewalks of London | Harley Prentiss | Alternative title: St. Martin's Lane |
| 1938 | The Citadel | Dr. Frederick Lawford | |
| 1939 | Over the Moon | Dr. Freddie Jarvis | |
| 1939 | The Silent Battle | Jacques Sauvin | |
| 1940 | Night Train to Munich | Gus Bennett | Alternative titles: Gestapo Night Train |
| 1940 | Ten Days in Paris | Bob Stevens | |
| 1941 | Major Barbara | Adolphus Cusins | |
| 1945 | Blithe Spirit | Charles Condomine | |
| 1945 | I Live in Grosvenor Square | Major David Bruce | Alternative title: A Yank in London |
| 1945 | Journey Together | Guest | |
| 1945 | The Rake's Progress | Vivian Kenway | Alternative title: Notorious Gentleman |
| 1946 | Anna and the King of Siam | King Mongkut | |
| 1947 | The Ghost and Mrs. Muir | Captain Daniel Gregg | |
| 1947 | The Foxes of Harrow | Stephen Fox | |
| 1948 | Escape | Matt Denant | |
| 1948 | Unfaithfully Yours | Sir Alfred De Carter | |
| 1951 | The Long Dark Hall | Arthur Groome | |
| 1952 | The Four Poster | John Edwards | |
| 1954 | King Richard and the Crusaders | Emir Hderim Sultan Saladin | |
| 1955 | The Constant Husband | William Egerton | Alternative title: Marriage a la Mode |
| 1958 | The Reluctant Debutante | Jimmy Broadbent | |
| 1960 | Midnight Lace | Anthony "Tony" Preston | |
| 1962 | The Happy Thieves | Jimmy Bourne | |
| 1963 | Cleopatra | Julius Caesar | |
| 1964 | My Fair Lady | Professor Henry Higgins | |
| 1964 | The Yellow Rolls-Royce | Lord Charles Frinton - The Marquess of Frinton | |
| 1965 | The Agony and the Ecstasy | Pope Julius II | |
| 1967 | The Honey Pot | Cecil Sheridan Fox | Alternative titles: It Comes Up Murder The Honeypot Mr. Fox of Venice |
| 1967 | Doctor Dolittle | Dr. John Dolittle | |
| 1968 | A Flea in Her Ear | Victor Chandebisse/Poche | |
| 1969 | Staircase | Charles Dyer | |
| 1977 | Crossed Swords | The Duke of Norfolk | Alternative title: The Prince and the Pauper |
| 1978 | Shalimar | Sir John Locksley | Alternative titles: Deadly Thief, Raiders of Shalimar, Raiders of the Sacred Stone |
| 1979 | Ashanti | Brian Walker | Alternative title: Ashanti, Land of No Mercy |
| 1979 | The Fifth Musketeer | Colbert | Alternative titles: Behind the Iron Mask The 5th Musketeer |
| 1981 | Titanic in a Tub: The Golden Age of Toy Boats | Narrator | |
| 1982 | A Time to Die | Van Osten | Alternative title: Seven Graves for Rogan |
| Year | Title | Role | Notes |
|---|---|---|---|
| 1952 | Omnibus | Henry VIII | Episode: "The Trial of Anne Boleyn" |
| 1953 | The United States Steel Hour | Raymond Dabney | Episode: "The Man in Possession" |
| 1957 | DuPont Show of the Month | Mr. Sir | Episode: "Crescendo" |
| 1960 | Dow Hour of Great Mysteries | Cyril Paxton | Episode: "The Dachet Diamonds" |
| 1971–1973 | Play of the Month | Mikhail Platonov, schoolmaster Don Quixote |
Episodes: "Platonov" "The Adventures of Don Quixote" |
| 1983 | The Kingfisher | Cecil | Television film |
| 1985 | Heartbreak House | Captain Shotover | Television film |
| 1986 | Anastasia: The Mystery of Anna | Grand Duke Cyril Romanov | Television film |
Read more about this topic: Rex Harrison