Filmography
| Role | Title | Year | Character |
|---|---|---|---|
| Actor | Het Geheim van NIMH | 1982 | Great Owl (voice) |
| Actor | The Ten Commandments | 1956 | Aaron |
| Actor | The Man Who Shot Liberty Valance | 1962 | Maj. Cassius Starbuckle |
| Actor | Stagecoach | 1939 | Hatfield |
| Actor | The Bride of Frankenstein | 1935 | Hunter |
| Actor | The Grapes of Wrath | 1940 | Casy |
| Actor | Everything You Always Wanted to Know About Sex *But Were Afraid to Ask | 1972 | Dr. Bernardo |
| Actor | The Howling | 1981 | Erle Kenton |
| Actor | Around the World in 80 Days | 1956 | Col. Proctor Stamp |
| Actor | Johnny Guitar | 1954 | Old Tom |
| Actor | Boxcar Bertha | 1972 | H. Buckram Sartoris |
| Actor | The Shootist | 1976 | Hezekiah Beckum |
| Actor | The Last Tycoon | 1976 | Tour guide |
| Actor | The Court Jester | 1956 | Giacomo |
| Actor | House of Frankenstein | 1944 | Dracula |
| Actor | The Ice Pirates | 1984 | Supreme Commander |
| Actor | Captains Courageous | 1937 | Long Jack |
| Actor | Sherlock Holmes: The Hound of the Baskervilles | 1939 | Barryman |
| Actor | House of Dracula | 1945 | Count Dracula |
| Actor | The Sentinel | 1977 | Fr. Francis Matthew Halloran |
| Actor | Cheyenne Autumn | 1964 | Jeff Blair |
| Actor | The Monster Club | 1981 | R.Chetwynd-Hayes, Writer |
| Actor | The White Buffalo | 1977 | Amos Briggs |
| Actor | The Egyptian | 1954 | Grave Robber |
| Actor | Monster in the Closet | 1986 | Old Joe Shempter |
| Actor | Blood and Sand | 1941 | Nacional |
| Actor | House of the Long Shadows | 1983 | Lord Elijah Grisbane |
| Actor | The Boogey Man | 1980 | Dr. Warren |
| Actor | The Mummy's Ghost | 1944 | Yousef Bey |
| Actor | The Invisible Man's Revenge | 1944 | Dr. Drury |
| Actor | Munster, Go Home! | 1966 | Cruikshank |
| Actor | The Patsy | 1964 | Bruce Alden |
| Actor | Shock Waves | 1977 | Captain |
| Actor | Man Hunt | 1941 | Mr. Jones |
| Actor | Jesse James | 1939 | Bob Ford |
| Actor | Mary of Scotland | 1936 | Rizzio |
| Actor | Vampire Hookers | 1978 | Richmond Reed |
| Actor | Silent Night, Bloody Night | 1972 | Charlie Towman |
| Actor | The Trouble with Girls | 1969 | Mr. Drewcolt |
| Actor | Drums Along the Mohawk | 1939 | Caldwell |
| Actor | The Return of Frank James | 1940 | Bob Ford |
| Actor | Billy the Kid vs. Dracula | 1966 | Count Dracula |
| Actor | Shadow House | 1973 | Uncle |
| Actor | The Kentuckian | 1955 | Fletcher |
| Actor | Fallen Angel | 1945 | Professor Madley |
| Actor | Jack-O | 1995 | Walter Machen |
| Actor | The Last Hurrah | 1958 | Amos Force |
| Actor | The Astro-Zombies | 1968 | Dr. DeMarco |
| Actor | The Night Strangler | 1973 | Llewellyn Crossbinder |
| Actor | The True Story of Jesse James | 1957 | Rev. Jethro Bailey |
| Actor | Whispering Ghosts | 1942 | Norbert |
| Actor | Terror in the Wax Museum | 1973 | Claude Dupree |
| Actor | Western Union | 1941 | Doc Murdoch |
| Actor | Captain Kidd | 1945 | Orange Povey |
| Actor | Dr. Terror's Gallery of Horrors | 1967 | Narrator / Tristram Halbin |
| Actor | Dimples | 1936 | Richards |
| Actor | The Black Sleep | 1956 | Bohemund |
| Actor | The Best of Sex and Violence | 1981 | Himself / Host |
| Actor | Myra Breckinridge | 1970 | Surgeon |
| Actor | The Adventures of Huckleberry Finn | 1960 | Slave catcher |
| Actor | Les Misérables | 1935 | Enjolras |