- Dracula in the Movies
1992 (archive footage)
- Frankenstein: A Cinematic Scrapbook
1991 Baron Wolf von Frankenstein (archive footage)
- The Great Mouse Detective
1986 Sherlock Holmes (voice)
- The Many Faces of Sherlock Holmes
1985 Sherlock Holmes (archive footage)
- The Horror of It All
1983 Carmichael (archive footage)
- The Horror Show
1979 (archive footage)
- Madhouse
1974 Basil (archive footage)
- Autopsy of a Ghost
1968 Canuto Pérez
- Hillbillys in a Haunted House
1967 Gregor
- Soldier in Love
1967 Duke of York
- Queen of Blood
1966 Dr. Farraday
- The Ghost in the Invisible Bikini
1966 Reginald Ripper
- Voyage to the Prehistoric Planet
1965 Prof. Hartman, Lunar 7
- The Comedy of Terrors
1964 John F. Black
- The Magic Sword
1962 Lodac
- Tales of Terror
1962 Carmichael ("The Case of M. Valdemar")
- Pontius Pilate
1962 Caiaphas
- Two Before Zero
1962
- Victoria Regina
1961 Prime Minister Benjamin Disraeli (Lord Beaconsfield)
- Mystic Prophecies and Nostradamus
1961 Narrator
- The Black Cat
1960
- A Christmas Carol
1959 Scrooge
- Hans Brinker or the Silver Skates
1958 Dr. Boekman
- The Last Hurrah
1958 Norman Cass Sr.
- Aladdin
1958 Emperor
- The Lark
1957 Chief Inquisitor
- The Black Sleep
1956 Sir Joel Cadman
- The Stingiest Man in Town
1956 Ebenezer Scrooge
- Affair in Sumatra
1956 Paul Charters
- We're No Angels
1955 Andre Trochard
- The Court Jester
1955 Sir Ravenhurst
- Casanova's Big Night
1954 Lucio / Narrator
- The General's Boots
1954 General Lee
- A Christmas Carol
1954 Marley's Ghost
- The Adventures of Ichabod and Mr. Toad
1949 Narrator (segment "The Wind in the Willows")
- The Wind in the Willows
1949 Narrator (voice)
- Terror by Night
1946 Sherlock Holmes
- Dressed to Kill
1946 Sherlock Holmes
- Heartbeat
1946 Professor Aristide
- The House of Fear
1945 Sherlock Holmes
- The Woman in Green
1945 Sherlock Holmes
- Pursuit to Algiers
1945 Sherlock Holmes
- The Pearl of Death
1944 Sherlock Holmes
- The Scarlet Claw
1944 Sherlock Holmes
- Bathing Beauty
1944 George Adams
- Frenchman's Creek
1944 Lord Rockingham
- The Spider Woman
1943 Sherlock Holmes
- Above Suspicion
1943 Sig von Aschenhausen
- Crazy House
1943 Sherlock Holmes
- Sherlock Holmes in Washington
1943 Sherlock Holmes
- Sherlock Holmes Faces Death
1943 Sherlock Holmes
- Sherlock Holmes and the Voice of Terror
1942 Sherlock Holmes
- Crossroads
1942 Henri Sarrou
- Fingers at the Window
1942 Cesar Ferrari / Dr. H. Santelle
- Sherlock Holmes and the Secret Weapon
1942 Sherlock Holmes
- The Black Cat
1941 Montague Hartley
- Paris Calling
1941 Benoit
- International Lady
1941 Reggie Oliver
- The Mark of Zorro
1940 Captain Esteban Pasquale
- The Mad Doctor
1940 Dr. George Sebastian / Dr. Langamann
- Rhythm on the River
1940 Oliver Courtney
- Son of Frankenstein
1939 Baron Wolf von Frankenstein
- The Hound of the Baskervilles
1939 Sherlock Holmes
- Rio
1939 Paul Reynard
- Tower of London
1939 Richard - Duke of Gloucester
- The Adventures of Sherlock Holmes
1939 Sherlock Holmes
- The Sun Never Sets
1939 Clive Randolph
- The Adventures of Robin Hood
1938 Sir Guy of Gisbourne
- The Dawn Patrol
1938 Maj. Brand
- If I Were King
1938 Louis XI
- The Adventures of Marco Polo
1938 Ahmed
- Breakdowns of 1938
1938 Basil (archive footage) (uncredited)
- Love from a Stranger
1937 Gerald Lovell
- Tovarich
1937 Commissar Dimitri Gorotchenko
- Confession
1937 Michael Michailow
- Make a Wish
1937 Johnny Selden
- Romeo and Juliet
1936 Tybalt
- The Garden of Allah
1936 Count Ferdinand Anteoni
- Private Number
1936 Thomas Wroxton
- David Copperfield
1935 Mr. Edward Murdstone
- Captain Blood
1935 Levasseur
- A Tale of Two Cities
1935 Marquis St. Evremonde
- Anna Karenina
1935 Alexei Alexandrovitch Karenin
- The Last Days of Pompeii
1935 Pontius Pilate
- Kind Lady
1935 Henry Abbott
- A Feather in Her Hat
1935 Captain Randolph Courtney
- One Precious Year
1933 Derek Nagel
- Loyalties
1933 Ferdinand de Levis
- After the Ball
1932 Jack Harrowby
- A Woman Commands
1932 Capt. Alex Pastitsch
- Sin Takes a Holiday
1930 Reginald 'Reggie' Durant
- A Notorious Affair
1930 Paul Gherardi
- The Lady of Scandal
1930 Edward
- The Flirting Widow
1930 Col. Smith
- A Lady Surrenders
1930 Carl Vandry
- This Mad World
1930 Paul Parisot
- The Bishop Murder Case
1929 Philo Vance
- The Last of Mrs. Cheyney
1929 Lord Arthur Dilling
- The Great Deception
1926 Rizzio
- The Masked Bride
1925 Antoine
- The Loves of Mary, Queen of Scots
1924 Undetermined Subordinate Role
- Trouping with Ellen
1924 Tony Winterslip
- The School for Scandal
1923 Joseph Surface
- The Fruitful Vine
1921 Don Cesare Carelli
- Innocent
1921 Amadis de Jocelyn
