| Ano | Nota | Título | Personagem |
|---|---|---|---|
| 2006 | The Making of 'Network' | Self (archive footage) | |
| 2001 | Cleopatra: The Film That Changed Hollywood | Self (archive footage) | |
| 1980 | The Sensational Shocking Wonderful Wacky 70's | Self (archive footage) | |
| 1976 | Resgate Fantástico | Yitzhak Rabin | |
| 1976 | Rede de Intrigas | Howard Beale | |
| 1974 | A Abdicação de uma Rainha | Azzolino | |
| 1973 | England Made Me | Erich Krogh | |
| 1973 | Bequest to the Nation | Adm. Lord Horatio Nelson | |
| 1973 | Horizonte Perdido | Richard Conway | |
| 1972 | Something to Hide | Harry Field | |
| 1971 | Domingo Maldito | Dr. Daniel Hirsh | |
| 1969 | The Greatest Mother of 'em All | Sean Howard | |
| 1969 | A Tenda Vermelha | Umberto Nobile | |
| 1968 | A Lenda de Lylah Clare | Lewis Zarken / Louie Flack | |
| 1967 | Location: Far from the Madding Crowd | Himself | |
| 1967 | Longe Deste Insensato Mundo | William Boldwood | |
| 1967 | Lionpower from MGM | Self - Lewis Zarken (archive footage) (uncredited) | |
| 1966 | Matt Helm Contra o Mundo do Crime | British agent (uncredited) | |
| 1966 | 10:30 P.M. Summer | Paul | |
| 1966 | Judith | Aaron Stein | |
| 1965 | O Vôo da Fênix | Captain Harris | |
| 1964 | Os Primeiros Homens na Lua | Bailiff's Man (uncredited) | |
| 1964 | Crescei e Multiplicai-vos | Jake Armitage | |
| 1964 | Girl with Green Eyes | Eugene Gaillard | |
| 1963 | Cicatrizes D'Alma | Murray Logan | |
| 1962 | I Thank a Fool | Stephen Dane | |
| 1961 | Um Raio em Céu Sereno | Colonel Henry Derode | |
| 1961 | O Suplício de Tua Ausência | Johnnie Byrne | |
| 1960 | The Trials of Oscar Wilde | Oscar | |
| 1960 | A Espada de um Bravo | Alan Breck Stewart | |
| 1959 | Uma Cruz à Beira do Abismo | Dr. Fortunati | |
| 1959 | Missão Secreta em Amsterdam | Jan Smit | |
| 1957 | Clamor de Vingança | Alec Windom | |
| 1957 | Carga Perigosa | Macauley | |
| 1957 | Robbery Under Arms | Captain Starlight | |
| 1956 | A Batalha do Rio da Prata | Captain Langsdorff, "Admiral Graf Spee" | |
| 1956 | Mulheres Fugitivas | Joe Harman | |
| 1955 | Josephine and Men | David Hewer | |
| 1955 | Simon and Laura | Simon Foster | |
| 1955 | O Príncipe Negro | Comte De Ville | |
| 1955 | Passage Home | Kapitän John Ryland "Lucky" | |
| 1954 | Make Me an Offer! | Charlie | |
| 1954 | Aventuras do Padre Brown | Gustave Flambeau | |
| 1954 | No Caminho dos Elefantes | John Wiley | |
| 1953 | The Heart of the Matter | Father Rank | |
| 1953 | The Story of Gilbert and Sullivan | Richard D'Oyly Carte | |
| 1952 | Robin Hood: O Justiceiro | Sheriff of Nottingham | |
| 1952 | The Riddle of Robin Hood | Himself | |
| 1950 | Romance de uma Esposa | Polish officer | |
| 1950 | The Wooden Horse | Australian in Hospital | |
| 1949 | Eureka Stockade | Humffray | |
| 1949 | Train of Events | Philip Mason | |
| 1946 | A Son Is Born | Paul Graham | |
| 1946 | Indonesia Calling | Self - Narrator (voice) | |
| 1944 | Jungle Patrol | Narrator | |
| 1944 | Os Ratos de Tobruk | Peter Linton | |
| 1943 | These Stars Are Mine | Reynolds Junior | |
| 1941 | The Power and the Glory | - | |
| 1939 | Mr. Chedworth Steps Out | Arthur Jacobs | |
| 1938 | Dad and Dave Come to Town | Bill Ryan | |
| 1935 | The Magic Shoes | Prince Charming |