| Movie | 1948 | Rope | Mr. Henry Kentley | |
| Movie | 1942 | The Ghost of Frankenstein | Dr. Ludwig Frankenstein / Dr. Henry Frankenstein (ghostly image) | |
| Movie | 1936 | Things to Come | Theotocopulos | |
| Movie | 1956 | Around the World in Eighty Days | Francis Cromarty | |
| Movie | 1947 | Lured | Julian Wilde | |
| Movie | 1956 | The Ten Commandments | Sethi | |
| Movie | 1941 | Suspicion | General McLaidlaw | |
| Movie | 1939 | The Hunchback of Notre Dame | Frollo | |
| Movie | 1951 | The Desert Fox: The Story of Rommel | Dr. Karl Strolin | |
| Movie | 2001 | Rope Unleashed | Self (archive footage) | |
| Movie | 1933 | The Ghoul | Broughton | |
| Movie | 1953 | Salome | Tiberius Caesar | |
| Movie | 1942 | Invisible Agent | Conrad Stauffer | |
| Movie | 1940 | The Invisible Man Returns | Richard Cobb | |
| Movie | 1944 | The Lodger | Robert Bonting | |
| Movie | 1939 | On Borrowed Time | Mr. Brink | |
| Movie | 1957 | Baby Face Nelson | Doc Saunders (as Sir Cedric Hardwicke) | |
| Movie | 1949 | A Connecticut Yankee in King Arthur's Court | King Arthur | |
| Movie | 1956 | Helen of Troy | Priam | |
| Movie | 1957 | The Story of Mankind | High Judge | |
| Movie | 1955 | Richard III | King Edward IV of England | |
| Movie | 1948 | I Remember Mama | Mr. Hyde | |
| Movie | 1940 | Tom Brown's School Days | Dr. Thomas Arnold | |
| Movie | 1937 | King Solomon's Mines | Allan Quartermain | |
| Movie | 1952 | The Green Glove | Father Goron | |
| Movie | 1935 | Becky Sharp | Marquis of Steyne | |
| Movie | 1947 | Ivy | Inspector Orpington | |
| Movie | 1935 | Les Misérables | Bishop Bienvenue (as Sir Cedric Hardwicke) | |
| Movie | 1934 | The King of Paris | Max Till | |
| Movie | 1954 | Bait | Prologue Speaker | |
| Movie | 1944 | The Keys of the Kingdom | Monsignor at Tweedside | |
| Movie | 1940 | The Howards of Virginia | Fleetwood Peyton | |
| Movie | 1944 | Wing and a Prayer | Admiral | |
| Movie | 1964 | The Pumpkin Eater | Mr. James - Jo's father | |
| Movie | 1947 | The Life and Adventures of Nicholas Nickleby | Ralph Nickleby | |
| Movie | 1944 | Wilson | Senator Henry Cabot Lodge | |
| Movie | 1950 | The White Tower | Nicholas Radcliffe | |
| Movie | 1947 | Tycoon | Frederick Alexander (as Sir Cedric Hardwicke)v | |
| Movie | 1941 | Sundown | l'évêque Coombes | |
| Movie | 1943 | The Cross of Lorraine | Father Sebastian | |
| Movie | 1948 | The Winslow Boy | Arthur Winslow | |
| Movie | 1948 | A Woman's Vengeance | Dr. James Libbard | |
| Movie | 1939 | Stanley and Livingstone | Dr. David Livingstone | |
| Movie | 1946 | Beware of Pity | Dr. Albert Condor | |
| Movie | 1942 | Commandos Strike at Dawn | Admiral Bowen | |
| Movie | 1956 | Gaby | Mr. Edgar Carrington | |
| Movie | 1943 | The Moon Is Down | Col. Lanser | |
| Movie | 1937 | Green Light | Dean Harcourt | |
| Movie | 1991 | Frankenstein: A Cinematic Scrapbook | Dr. Frankenstein (archive footage) | |
| Movie | 1949 | Now Barabbas | Governor | |
| Movie | 1932 | Rome Express | Alistair McBane | |
| Movie | 1952 | Botany Bay | Gov. Phillip | |
| Movie | 1956 | The Power and the Prize | Mr. Carew | |
| Movie | 1934 | Jew Süss | Rabbi Gabriel | |
| Movie | 1952 | Caribbean | Captain Francis Barclay | |
| Movie | 1956 | Diane | Ruggieri | |
| Movie | 1942 | Valley of the Sun | Lord Warrick (as Sir Cedric Hardwicke) | |
| Movie | 1946 | The Imperfect Lady | Lord Belmont | |
| Movie | 1936 | Laburnum Grove | Mr. Baxley | |
| Movie | 1935 | Peg of Old Drury | David Garrick | |
| Movie | 1946 | Sentimental Journey | Dr. Jim Miller | |
| Movie | 1945 | French Town... | Narrator | |
| Movie | 1926 | Nelson | Horatio Nelson | |
| Movie | 1956 | The Vagabond King | Tristan | |
| Movie | 1945 | The Picture of Dorian Gray | Narrator (voice) | |
| Movie | 1964 | The Unknown | Colas | |
| Movie | 1934 | Nell Gwyn | Charles II | |
| Movie | 1934 | The Lady Is Willing | Gustav Dupont | |
| Movie | 1936 | Tudor Rose | Earl of Warwick | |
| Movie | 1940 | Victory | Mr. Jones | |
| Movie | 1943 | Forever and a Day | Mr. Dabb | |
| Movie | 1955 | Dr. Jekyll and Mr. Hyde | Mr. George Utterson | |
| Movie | 1951 | Mr. Imperium | Bernand | |
| Movie | 1931 | Dreyfus | Captain Alfred Dreyfus | |
| Movie | 1934 | Bella Donna | Dr. Meyer Isaacson | |
| Movie | 1962 | Five Weeks in a Balloon | Fergusson | |
| Movie | 1933 | Orders Is Orders | Brigadier | |
| Movie | 1948 | Song of My Heart | Grand Duke | |
| Movie | 1953 | The War of the Worlds | Commentary (voice) (as Sir Cedric Hardwicke) | |
| Movie | 2003 | The Making of The Ten Commandments | Self (archive footage) | |
| TV Show | 1963 | Burke's Law | John Busch | 1 |
| TV Show | 1948 | Studio One | Sir Alaric | 1 |
| TV Show | 1948 | The Ed Sullivan Show | Self | 1 |
| TV Show | 1953 | General Electric Theater | | 1 |
| TV Show | 1959 | The Twilight Zone | Simon Polk | 1 |
| TV Show | 1955 | Alfred Hitchcock Presents | Mr. Princey | 1 |
| TV Show | 1950 | Lux Video Theatre | Robert Malcolm | 1 |
| TV Show | 1951 | Schlitz Playhouse of Stars | | 1 |
| TV Show | 1952 | This Is Your Life | Self | 1 |
| TV Show | 1950 | Your Show of Shows | | 1 |
| TV Show | 1954 | Climax! | Professor Robertson | 1 |
| TV Show | 1955 | Matinee Theater | | 2 |
| TV Show | 1949 | Suspense | | 2 |
| TV Show | 1950 | Robert Montgomery Presents | | 1 |
| TV Show | 1956 | Dr. Fu Manchu | | 1 |
| TV Show | 1963 | The Outer Limits | Colas (as Sir Cedric Hardwicke) | 1 |
| TV Show | 1961 | The Gertrude Berg Show | Professor Crayton | 26 |
| TV Show | 1953 | The Motorola Television Hour | | 16 |
| TV Show | 1950 | Cameo Theatre | The Inca | 1 |
| TV Show | 1951 | The Red Skelton Show | Company Vice President J.R. Williams | 1 |
| TV Show | 1951 | The Red Skelton Show | Dr. Umlauf | 1 |
| TV Show | 1951 | Schlitz Playhouse of Stars | John O'Fell | 1 |
| TV Show | 1952 | Four Star Playhouse | Sir George | 1 |
| TV Show | 1955 | Alfred Hitchcock Presents | John Anderson | 1 |
| TV Show | 1954 | Climax! | Mr. Utterson | 1 |
| TV Show | 1954 | Climax! | Sir Francis Brittain | 1 |
| TV Show | 1954 | Climax! | Clifton Lattimer | 1 |
| TV Show | 1954 | Climax! | Danielson | 1 |
| TV Show | 1954 | Climax! | Dr, Martin Crandall | 1 |
| TV Show | 1957 | DuPont Show of the Month | Lord Hertford | 1 |
| TV Show | 1950 | What's My Line? | Self | 1 |
| TV Show | 1957 | Tonight Starring Jack Paar | Self | 1 |
| TV Show | 1950 | What's My Line? | Self - Panelist | 1 |
| TV Show | 1953 | The Motorola Television Hour | Dr. Hawkins | 1 |
