| |
| Film credits |
| |
| HOUSE OF DARKNESS | 1948 | Francis Merryman |
| LANDFALL | 1949 | P/O Hooper |
| THE MAN FROM YESTERDAY | 1949 | John Matthews |
| THE BLACK ROSE | US/UK, 1950 | Edmond |
| CAIRO ROAD / POISON ROAD | 1950 | Lieutenant Mourad |
| I BELIEVE IN YOU / ONE SINNER | 1951 | Jordie |
| SCARLET THREAD | 1951 | Freddie |
| THERE IS ANOTHER SUN / WALL OF DEATH | 1951 | Maguire |
| A KILLER WALKS | 1952 | Ned |
| WOMEN OF TWILIGHT / TWILIGHT WOMEN | 1952 | Jerry Nolan |
| INNOCENTS IN PARIS | 1953 | Francois |
| THE GOOD DIE YOUNG | 1954 | Miles 'Rave' Ravenscourt |
| KING RICHARD AND THE CRUSADERS | US, 1954 | Sir Kenneth Huntingdon |
| ROMEO AND JULIET / GIULIETTA E ROMEO | UK/Italy, 1954 | Romeo |
| I AM A CAMERA | 1955 | Christopher Isherwood |
| STORM OVER THE NILE / THE FOUR FEATHERS | 1955 | John Durrance |
| A MONTH IN THE COUNTRY | 1955 | Beliayev |
| THREE MEN IN A BOAT | 1956 | George |
| AFTER THE BALL | 1957 | Walter de Frece |
| THE TRUTH ABOUT WOMEN | 1957 | Humphrey Tavistock |
| POWER AMONG MEN | 1958 | narrator |
| ROOM AT THE TOP | 1958 | Joe Lampton |
| THE SILENT ENEMY | 1958 | Lieut. Crabb, R.N.V.R. |
| EXPRESSO BONGO | 1959 | Johnny Jackson |
| THE ALAMO | US, 1960 | Colonel William Barret Travis |
| BUTTERFIELD 8 | US, 1960 | Weston Liggett |
| THE LONG AND THE SHORT AND THE TALL / JUNGLE FIGHTERS | 1960 | Private Bamforth |
| SUMMER AND SMOKE | US, 1961 | John Buchanan |
| TWO LOVES / I'LL SAVE MY LOVE / SPINSTER | US, 1961 | Paul |
| A GIRL NAMED TAMIKO | US, 1962 | Ivan Kalin |
| THE MANCHURIAN CANDIDATE | US, 1962 | Raymond Shaw |
| WALK ON THE WILD SIDE | US, 1962 | Dove Linkhorn |
| THE WONDERFUL WORLD OF THE BROTHERS GRIMM | US, 1962 | Wilhelm Grimm; the cobbler |
| THE CEREMONY | US/Spain, 1963 | director; producer; additional dialogue / Sean McKenna |
| 55 DAYS AT PEKING | US, 1963 | Film Industry Visitor |
| THE RUNNING MAN | UK/US, 1963 | Rex Black |
| OF HUMAN BONDAGE | 1964 | Philip Carey |
| THE OUTRAGE / JUDGEMENT IN THE SUN | US, 1964 | husband |
| DARLING | 1965 | Miles Brand |
| LIFE AT THE TOP | 1965 | Joe Lampton |
| THE SPY WITH A COLD NOSE | 1966 | Francis Trevellyan |
| A DANDY IN ASPIC | 1968 | Eberlin / Additional director (uncredited) |
| THE WINTER'S TALE | 1968 | Leontes |
| KAMPF UM ROM 1. TEIL | W. Germany/Italy, 1968 | Cethegus |
| REBUS / APPOINTMENT IN BEIRUT | Italy/Spain/W. Germany, 1968 | Jeff Miller |
| THE DEEP / DEAD CALM / DEAD RECKONING | US, 1968 | Hughie Warriner |
| L' ASSOLUTO NATURALE / SHE AND HE | Italy/UK, 1969 | He / producer |
| THE MAGIC CHRISTIAN | 1969 | Hamlet |
| KAMPF UM ROM 2. TEIL: DER VERRAT | W. Germany/Italy, 1969 | Cethegus |
| TCHAIKOVSKY | USSR/USA, 1970 | narrator |
| WUSA / HALL OF MIRRORS | 1970 | Farley |
| HABRICHA EL HASHEMESH / ESCAPE TO THE SUN / FLIGHT TO THE SUN | Israel/France, 1972 | Major Kirsanov |
| FIGHT FOR ROME | W. Germany/Italy, 1973 | Cethegus |
| WELCOME TO ARROW BEACH | US, 1973 | director / Jason Henry |
| NIGHT WATCH / AND NO ONE WOULD BELIEVE HER / TENDER FLESH | US, 1973 | John Wheeler |
| F FOR FAKE / VÉRITÉS ET MENSONGES | France/Iran, 1975 | on-screen participant (uncredited) |
| |
| Television credits |
| |
| OTHELLO | BBC tx 23/4/1950 | Cassio |
| INTERNATIONAL THEATRE: A Month in the Country | ITV tx 27/9/1955 | Beliayev |
| THE ALCOA HOUR: The Small Servant | NBC (US) tx 30/10/1955 | Dick Swiveller |
| FROM THE LONDON THEATRE: The Rivals | ITV tx 19/6/1956 | lawyer |
| THE BET | ITV tx 30/8/1956 | cast member |
| HOLIDAY NIGHT REUNION | ITV tx 20/3/1957 | judge |
| JACK HYLTON'S MONDAY SHOW | ITV tx 1/4/1958 | guest |
| CLOSE UP ON LAURENCE HARVEY | ITV tx 9/4/1958 | subject of programme |
| JACK HYLTON'S MONDAY SHOW | ITV tx 17/8/1958 | guest |
| PLAY OF THE WEEK: A Month in the Country | ITV tx 30/8/1958 | Beliayev |
| ALFRED HITCHCOCK PRESENTS: Arthur | CBS (US) tx 27/9/1959 | Arthur Williams |
| PLAY OF THE WEEK: The Violent Years | ITV tx 27/10/1959 | Chris; Misha |
| PONTIAC STAR PARADE: The Spirit of the Alamo | ABC (US) tx 14/11/1960 | on-screen participant |
| LATE NIGHT LINE-UP | BBC2 tx 5/2/1966 | on-screen participant |
| STAR PERFORMANCE: Dial M for Murder | ABC (US) tx 15/11/1967; ITV tx 7/5/1968 | Mark Wendice |
| MARVELLOUS PARTY | ITV tx 10/1/1969 | presenter |
| ARMS AND THE MAN | ITV tx 4/4/1971 | Major Sergius |
| NIGHT GALLERY: Caterpillar | NBC (US) tx 1/3/1972 | Steven Macy |
| COLUMBO: The Most Dangerous Match | NBC (US) tx 4/3/1973 | Emmett Clayton |
