Boris Karloff The Bad One (1930) .... Monsieur Gaston The Sea Bat (1930) .... Corsican The Utah Kid (1930) .... Henchman Baxter Sous les verrous (1931) .... Le Tigre The Criminal Code (1931) .... Ned Galloway King of the Wild (1931) .... Mustapha Cracked Nuts (1931) .... Boris, First Revolutionary The Vanishing Legion (1931) .... (voice) (uncredited) The Voice Young Donovan's Kid (1931) .... Cokey Joe Smart Money (1931) .... (uncredited) Sport Williams The Public Defender (1931) .... The Professor I Like Your Nerve (1931) .... Luigi, Pacheco's butler Graft (1931) .... Terry Five Star Final (1931) .... Rev. T. Vernon Isopod The Yellow Ticket (1931) .... (uncredited) Drunken Orderly The Mad Genius (1931) .... (uncredited) Fedor's Father The Guilty Generation (1931) .... Tony Ricca Frankenstein (1931) .... The Monster Tonight or Never (1931) .... Waiter Behind the Mask (1932) .... Jim Henderson Business and Pleasure (1932) .... Sheik Scarface (1932) .... Gaffney The Miracle Man (1932) .... Nikko Night World (1932) .... 'Happy' MacDonald The Old Dark House (1932) .... Morgan The Mask of Fu Manchu (1932) .... Dr. Fu Manchu The Mummy (1932) .... Im-ho-tep / Ardath Bey The Ghoul (1933) .... Prof. Morlant The Lost Patrol (1934) .... Sanders The House of Rothschild (1934) .... Count Ledrantz The Black Cat (1934) .... Hjalmar Poelzig Gift of Gab (1934) .... Cameo Appearance Bride of Frankenstein (1935) .... The Monster The Raven (1935) .... Edmond Bateman The Black Room (1935) .... Baron Gregor de Berghman / Anton de Berghman The Invisible Ray (1936) .... Dr. Janos Rukh The Walking Dead (1936) .... John Ellman Juggernaut (1936) .... Dr. Victor Sartorius The Man Who Changed His Mind (1936) .... Dr. Laurience Charlie Chan at the Opera (1936) .... Gravelle Night Key (1937) .... David Mallory West of Shanghai (1937) .... Gen. Wu Yen Fang The Invisible Menace (1938) .... Mr. Jevries/Dolman Mr. Wong, Detective (1938) .... Mr. James Lee Wong Devil's Island (1939) .... Dr. Charles Gaudet Son of Frankenstein (1939) .... The Monster The Mystery of Mr. Wong (1939) .... James Lee Wong Mr. Wong in Chinatown (1939) .... Mr. James Lee Wong The Man They Could Not Hang (1939) .... Dr. Henryk Savaard Tower of London (1939) .... Mord The Fatal Hour (1940) .... James Lee Wong British Intelligence (1940) .... Valdar Black Friday (1940) .... Dr. Ernest Sovac The Man with Nine Lives (1940) .... Dr. Leon Kravaal Doomed to Die (1940) .... James Lee Wong Before I Hang (1940) .... Dr. John Garth The Ape (1940) .... Dr. Bernard Adrian You'll Find Out (1940) .... Judge Spencer Mainwaring The Devil Commands (1941) .... Dr. Julian Blair The Boogie Man Will Get You (1942) .... Prof. Nathaniel Billings The Climax (1944) .... Dr. Friedrich Hohner House of Frankenstein (1944) .... Doctor Gustav Niemann The Body Snatcher (1945) .... Cabman John Gray Isle of the Dead (1945) .... Gen. Nikolas Pherides Bedlam (1946) .... Master George Sims The Secret Life of Walter Mitty (1947) .... Dr. Hugo Hollingshead Lured (1947) .... Charles van Druten Unconquered (1947) .... Chief Guyasuta Dick Tracy Meets Gruesome (1947) .... Gruesome Tap Roots (1948) .... Tishomingo The Emperor's Nightingale (1949) .... (voice: English version) Narrator Abbott and Costello Meet the Killer, Boris Karloff (1949) .... Swami Talpur The Strange Door (1951) .... Voltan .... 1951 The Black Castle (1952) .... Dr. Meissen Abbott and Costello Meet Dr. Jekyll and Mr. Hyde (1953) .... Dr. Henry Jekyll / Mr. Hyde The Island Monster (1954) .... Don Gaetano Sabaka (1954) .... Gen. Pollegar A Connecticut Yankee (1955) (TV) .... King Arthur Voodoo Island (1957) .... Phillip Knight The Juggler of Our Lady (1958) .... (voice) Narrator The Haunted Strangler (1958) .... James Rankin Frankenstein - 1970 (1958) .... Baron Victor von Frankenstein Corridors of Blood (1958) .... Dr. Bolton The Secret World of Eddie Hodges (1960) (TV) .... Captain Hook The Paradine Case (1962) (TV) .... Judge Lord Thomas Horfield The Raven (1963) .... Dr. Scarabus The Terror (1963) .... Baron Victor Frederick Von Leppe The Comedy of Terrors (1963) .... Hinchley Bikini Beach (1964) .... The Art Dealer Die, Monster, Die! (1965) .... Nahum Witley The Ghost in the Invisible Bikini (1966) .... The Corpse (Hiram Stokely) The Daydreamer (1966) .... (voice) The Rat How the Grinch Stole Christmas! (1966) (TV) .... (voice) Narrator / The Grinch The Venetian Affair (1967) .... Dr. Pierre Vaugiroud Mad Monster Party? (1967) .... (voice) Baron Boris von Frankenstein The Sorcerers (1967) .... Prof. Marcus Monserrat The Fear Chamber (1968) .... Dr. Carl Mandel House of Evil (1968) .... Matthias Morteval Targets (1968) .... Byron Orlok Curse of the Crimson Altar (1968) .... Professor Marsh Cauldron of Blood (1970) .... Charles Badulescu Isle of the Snake People (1971) .... Carl van Molder/Damballah The Incredible Invasion (1971) .... Prof. John Mayer (Note: I have excluded Karloff's pre-1930s films here. They are a lower priority to me than the talkies.