| — | The Wolfman's Cure | |
| 2024 | La Lucha Invade el Cine Mexicano | Nazi leader |
| 2021 | Hollywood in the Atomic Age: Monsters! Martians! Mad Scientists! | Self (archive footage) |
| 2018 | Doses of Horror | Richmond Reed ("A Dose of Bloodsucking Tramps" segment) (archive footage) (uncredited) |
| 2013 | Blood of 1000 Virgins | Self (archive footage) |
| 2013 | The Trail of Dracula | Self |
| 2012 | The Complete Bob Wilkins Creature Features | |
| 2003 | Boogeyman II: Redux | Dr. Warren |
| 1999 | Monster by Moonlight! The Immortal Saga of 'The Wolf Man' | Self (archive footage) |
| 1995 | Jack-O | Walter Machen |
| 1995 | Bikini Drive-In | |
| 1995 | Svengoolie | Dracula |
| 1992 | Legends of the West | Jeff Blair in 'Cheyenne Autumn' |
| 1991 | Frankenstein: A Cinematic Scrapbook | Count Dracula (archive footage) |
| 1991 | Dracula: A Cinematic Scrapbook | Count Dracula (archive footage) |
| 1990 | The Alien Within | Dr. Emil Zeitman (archive footage) |
| 1989 | Buried Alive | Jacob Julian |
| 1987 | Evil Spawn | Dr. Emil Zeitman |
| 1986 | Peggy Sue Got Married | Leo |
| 1986 | Monster in the Closet | Old Joe Shempter |
| 1986 | Star Slammer | The Justice |
| 1986 | The Tomb | Andoheb |
| 1986 | Horrible Horror | Dr. Karol Noymann in 'Invisible Invaders' |
| 1986 | Revenge | Sen. Martin Bradford |
| 1986 | Hollywood Ghost Stories | Narrator / Host |
| 1986 | Lugosi: The Forgotten King | Himself |
| 1986 | Haunted Hollywood | Host |
| 1985 | The Twilight Zone | |
| 1985 | Evils of the Night | Dr. Kozmar |
| 1985 | Reel Horror | Alcoholic Reporter (archive footage) |
| 1984 | The Ice Pirates | Supreme Commander |
| 1984 | Going Hollywood: The '30s | (archive footage) |
| 1984 | Elvira's MTV Halloween Party | |
| 1983 | House of the Long Shadows | Elijah Grisbane |
| 1983 | Boogeyman II | Dr. Warren (archive footage) |
| 1983 | Imps* | Gentleman |
| 1983 | The Horror of It All | Self |
| 1983 | Antony and Cleopatra | Soothsayer |
| 1983 | A Rose for Emily | Col. Sartoris |
| 1982 | The Secret of NIMH | Great Owl (voice) |
| 1982 | Fame | |
| 1982 | Satan's Mistress | Father Stratten |
| 1982 | The Best of Sex and Violence | Self - Host |
| 1982 | The Scarecrow | Hubert Salter |
| 1982 | The Vals | Mr. Stanton (Head of the Orphanage) |
| 1981 | The Howling | Erle Kenton |
| 1981 | The Monster Club | R.Chetwynd-Hayes, Writer |
| 1981 | The Nesting | Col. LeBrun |
| 1981 | Frankenstein Island | Dr. Frankenstein |
| 1981 | Goliath Awaits | Ronald Bentley |
| 1981 | The Reluctant Dragon | Narrator |
| 1980 | The Boogey Man | Dr. Warren |
| 1980 | Monstroid | Priest |
| 1980 | A Tribute to Dr. Shock | Self (archive footage) |
| 1979 | Nocturna | Count Dracula |
| 1979 | Missile X - Geheimauftrag Neutronenbombe | Professor Nikolaeff |
| 1979 | The Horror Show | (archive footage) |
| 1979 | The Seekers | Avery Mills |
| 1978 | The Bees | Dr. Sigmund Hummel |
| 1978 | Vampire Hookers | Richmond Reed |
| 1978 | Vega$ | |
| 1978 | Sunset Cove | Judge Harley Winslow |
| 1978 | Doctor Dracula | Radcliff |
| 1978 | Flying High | |
| 1978 | Salem and the Scarlet Letter | Narrator |
| 1977 | The Sentinel | Fr. Francis Matthew Halloran |
| 1977 | The White Buffalo | Amos Briggs |
| 1977 | Shock Waves | Captain |
| 1977 | Satan's Cheerleaders | The Bum |
| 1977 | The Mouse and His Child | The Tramp (voice) |
| 1977 | Golden Rendezvous | Fairweather |
| 1977 | Christmas Miracle in Caufield, U.S.A. | Grampa Sullivan |
| 1977 | Tail Gunner Joe | Wisconsin Farmer |
| 1977 | The Lady and the Lynchings | |
| 1976 | The Shootist | Beckum |
| 1976 | The Last Tycoon | Tour Guide |
| 1976 | Crash! | Dr. Welsey Edwards |
| 1976 | The Killer Inside Me | Dr. Smith |
| 1976 | Won Ton Ton: The Dog Who Saved Hollywood | Drunk |
| 1976 | Death at Love House | Conan Carroll |
| 1976 | Captains and the Kings | Father Hale |
| 1975 | Wonder Woman | Harlow Gault |
| 1975 | Starsky & Hutch | The Professor |
| 1975 | Mary, Mary, Bloody Mary | The Man |
| 1975 | Stowaway to the Moon | Jacob Avril |
| 1975 | Reise ins Jenseits - Die Welt des Übernatürlichen | Narrator (English Version) |
| 1975 | Westwind | |
| 1974 | The House of Seven Corpses | Edgar Price |
| 1974 | Moonchild | Mr. Walker |
| 1974 | The Horror Hall of Fame: A Monster Salute | Self |
| 1974 | The Cowboys | Oscar Schmidt |
| 1974 | The Lady's Not for Burning | Old Skips |
| 1973 | The Night Strangler | Llewellyn Crossbinder |
| 1973 | Terror in the Wax Museum | Claude Dupree |
| 1973 | The Cat Creature | The Hotel Clerk |
| 1973 | Superchick | Igor Smith |
| 1973 | Bad Charleston Charlie | Alcoholic Reporter |
| 1973 | 1,000,000 A.D. Promo Reel | The Sage |
| 1973 | Shadow House | Uncle |
| 1972 | Everything You Always Wanted to Know About Sex *But Were Afraid to Ask | Dr. Bernardo |
| 1972 | Boxcar Bertha | H. Buckram Sartoris |
| 1972 | Kung Fu | |
| 1972 | Night of the Dark Full Moon | Charlie Towman |
| 1972 | Emergency! | |
| 1972 | The Rookies | |
| 1972 | Portnoy's Complaint | Judge (voice) (uncredited) |
| 1972 | The Legend of Sleepy Hollow | Narrator (voice) |
| 1972 | Richard | Plastic Surgeon |
| 1971 | Blood Legacy | Christopher Dean |
| 1971 | The Seven Minutes | Sean O'Flanagan |
| 1971 | Demented Death Farm Massacre | The Judge Of Hell |
| 1971 | The Gatling Gun | Rev. Harper |
| 1971 | Decisions! Decisions! | Railroad Ticket Clerk |
| 1971 | Threshold | Old-fashioned Undertaker |
| 1970 | Night Gallery | |
| 1970 | McCloud | |
| 1970 | Myra Breckinridge | Surgeon |
| 1970 | Horror of the Blood Monsters | Dr. Rynning |
| 1970 | Bigfoot | Jasper B. Hawks |
| 1970 | Crowhaven Farm | Nate Cheever |
| 1970 | Hell's Bloody Devils | Pet Shop Owner |
| 1970 | Shinbone Alley | Tyrone T. Tattersall |
| 1970 | The McMasters | Preacher |
| 1970 | Cain's Cutthroats | Preacher Simms |
| 1970 | Blood of the Iron Maiden | Dr. Goolie |
| 1969 | Blood of Dracula's Castle | George |
| 1969 | The Good Guys and the Bad Guys | Ticker |
| 1969 | The Trouble with Girls | Mr. Drewcolt |
| 1969 | Love, American Style | Old George Pomerantz |
| 1969 | Five Bloody Graves | Boone Hawkins |
| 1969 | Las vampiras | Count Branos Alucard |
| 1969 | La señora Muerte | Dr. Favel |
| 1969 | Enigma de muerte | Mad Doctor / Nazi Leader |
| 1969 | Daughter of the Mind | Mr. Bosch |
| 1969 | Pacto Diabólico | Dr. Halback |
| 1969 | The Mummy and the Curse of the Jackals | Professor Cummings |
| 1968 | Land of the Giants | Egor Crull |
| 1968 | The Astro-Zombies | Dr. DeMarco |
| 1968 | The Dick Cavett Show | Self - Guest |
| 1968 | The Helicopter Spies | Third-Way Priest |
| 1968 | Autopsia de un fantasma | Satán |
| 1968 | The Movie Orgy | Self (archive footage) |
| 1968 | They Ran for Their Lives | Laslo |
| 1968 | Los chicles | |
| 1968 | The Mummy's Ghost | The Egyptian Priest (archive footage) |
| 1967 | Ironside | |
| 1967 | Hillbillys in a Haunted House | Dr. Himmel |
| 1967 | Gallery of Horror | Narrator / Tristram Halbin |
| 1967 | Blood Of Ghastly Horror | Dr. Howard Vanard |
| 1967 | The Hostage | Otis Lovelace |
| 1967 | Hondo | |
| 1967 | The Fiend with the Electronic Brain | Dr. Howard Vanard |
| 1966 | Munster, Go Home! | Cruikshank |
| 1966 | The Green Hornet | James Rancourt / The Scarf |
| 1966 | Billy the Kid Versus Dracula | Count Dracula |
| 1966 | Red Zone Cuba | Mr. Wilson |
| 1966 | The Girl from U.N.C.L.E. | |
| 1966 | The Emperor's New Clothes | King Luvimself |
| 1966 | Doom of Dracula | Count Dracula |
| 1965 | Lost in Space | Arcon |
| 1965 | The Big Valley | Elias Brown |
| 1965 | Branded | |
| 1965 | Laredo | |
| 1965 | The Wizard of Mars | The Wizard of Mars |
| 1965 | House of the Black Death | Andre Desard |
| 1965 | Curse of the Stone Hand | The Old Drunk |
| 1965 | The Legend of Jesse James | Noah |
| 1965 | Something for Mrs. Gibbs | |
| 1965 | Broken Sabre | General Josh McCord |
| 1964 | The Munsters | |
| 1964 | Cheyenne Autumn | Jeff Blair |
| 1964 | The Patsy | Bruce Alden |
| 1964 | Daniel Boone | Zack Pike |
| 1964 | Genesis | Narrator |
| 1962 | The Man Who Shot Liberty Valance | Maj. Cassius Starbuckle |
| 1962 | The Beverly Hillbillies | |
| 1962 | The Alfred Hitchcock Hour | Gavin Revere |
| 1962 | The Lucy Show | Guzman |
| 1960 | The Adventures of Huckleberry Finn | Slave Catcher |
| 1960 | Tarzan the Magnificent | Abel Banton |
| 1960 | Thriller | Jed Carta |
| 1960 | Thriller | Jason Longfellow |
| 1960 | Sex Kittens Go to College | Prof. Watts |
| 1960 | Harrigan and Son | |
| 1959 | The Twilight Zone | Brother Jerome |
| 1959 | Invisible Invaders | Dr. Karol Noymann |
| 1959 | The Incredible Petrified World | Prof. Millard Wyman |
| 1959 | Invasion of the Animal People | Narrator |
| 1959 | The Oregon Trail | Zachariah Garrison |
| 1959 | The Cosmic Man | Cosmic Man |
| 1959 | The Rebel | Elmer Dodson |
| 1959 | Johnny Ringo | The Rain Man |
| 1959 | Lock-Up | |
| 1959 | Bourbon Street Beat | |
| 1958 | The Last Hurrah | Amos Force |
| 1958 | The Rifleman | |
| 1958 | The Proud Rebel | Traveling Salesman |
| 1958 | Wanted: Dead or Alive | Amos McKenna |
| 1958 | 77 Sunset Strip | |
| 1958 | Bat Masterson | Sheriff Vince Morgan |
| 1958 | Half Human: The Story of the Abominable Snowman | Dr. John Rayburn |
| 1958 | Showdown at Boot Hill | Doc Weber |
| 1957 | The True Story of Jesse James | Rev. Jethro Bailey |
| 1957 | Have Gun, Will Travel | |
| 1957 | Maverick | |
| 1957 | Wagon Train | Park Cleatus |
| 1957 | The Unearthly | Dr. Charles Conway |
| 1957 | The Story of Mankind | Khufu |
| 1957 | Suspicion | Raphael |
| 1957 | Sugarfoot | Mathew McDavitt |
| 1957 | Hell Ship Mutiny | Malone |
| 1957 | DuPont Show of the Month | John Canty |
| 1956 | The Ten Commandments | Aaron |
| 1956 | Around the World in Eighty Days | Proctor Stamp |
| 1956 | The Black Sleep | Bohemund |
| 1956 | Female Jungle | Claude Almstead |
| 1956 | Telephone Time | |
| 1956 | Hidden Guns | Snipe Harding |
| 1956 | Dark Venture | Gideon |
| 1956 | The Adventures of Dr. Fu Manchu | |
| 1955 | The Court Jester | Giacomo |
| 1955 | Gunsmoke | Ephraim Hunt |
| 1955 | Gunsmoke | Kader |
| 1955 | The Kentuckian | Ziby Fletcher |
| 1955 | Cheyenne | |
| 1955 | The Life and Legend of Wyatt Earp | |
| 1955 | Stranger on Horseback | Col. Buck Streeter |
| 1955 | Desert Sands | Jala |
| 1955 | The Adventures of Huckleberry Finn | The Duke |
| 1955 | Matinee Theater | |
| 1955 | Navy Log | |
| 1955 | The Millionaire | Karl Miller AKA Count Karl Millevich |
| 1954 | Johnny Guitar | Old Tom |
| 1954 | The Egyptian | Grave Robber |
| 1954 | Casanova's Big Night | Foressi |
| 1954 | Climax! | John Evan |
| 1954 | Climax! | The Duke |
| 1954 | Climax! | Colonel Archer |
| 1954 | Thunder Pass | Bergstrom |
| 1954 | Studio 57 | |
| 1952 | Gang Busters | |
| 1951 | The Adventures of Wild Bill Hickok | |
| 1951 | Schlitz Playhouse of Stars | |
| 1949 | C-Man | Doc Spencer |
| 1949 | Suspense | |
| 1949 | Lights Out | |
| 1948 | The Ed Sullivan Show | Self / Richard III |
| 1948 | Studio One | Mr. Wadleigh |
| 1948 | The Philco Television Playhouse | Malvolio |
| 1947 | The Private Affairs of Bel Ami | Charles Forestier |
| 1947 | Fish Story | John Carradine |
| 1946 | The Face of Marble | Dr. Charles Randolph |
| 1946 | Down Missouri Way | Thorndyke 'Thorny' P. Dunning |
| 1945 | House of Dracula | Count Dracula |
| 1945 | Fallen Angel | Professor Madley |
| 1945 | Captain Kidd | Orange Povey |
| 1945 | It's in the Bag! | Jefferson T. Pike |
| 1944 | House of Frankenstein | Dracula (aka Baron Latos) |
| 1944 | The Mummy's Ghost | Yousef Bey |
| 1944 | The Invisible Man's Revenge | Dr. Peter Drury |
| 1944 | Voodoo Man | Toby |
| 1944 | Bluebeard | Gaston Morrell |
| 1944 | Return of the Ape Man | Prof. John Gilmore |
| 1944 | Jungle Woman | Dr. Sigmund Walters (archive footage / uncredited) |
| 1944 | The Adventures of Mark Twain | Bret Harte |
| 1944 | Waterfront | Victor Marlow |
| 1944 | Barbary Coast Gent | Duke Cleat |
| 1944 | The Black Parachute | General von Bodenbach |
| 1944 | Alaska | John Reagan |
| 1943 | Captive Wild Woman | Dr. Sigmund Walters |
| 1943 | Revenge of the Zombies | Dr. Max Heinrich von Altermann |
| 1943 | Hitler's Madman | Reinhardt Heydrich |
| 1943 | Isle of Forgotten Sins | Mike Clancy |
| 1943 | Gangway for Tomorrow | Mr. Wellington |
| 1943 | Silver Spurs | Lucky Miller |
| 1943 | I Escaped from the Gestapo | Martin |
| 1942 | Reunion in France | Ulrich Windler |
| 1942 | Son of Fury: The Story of Benjamin Blake | Caleb Green |
| 1942 | Whispering Ghosts | Norbert |
| 1942 | Northwest Rangers | Martin Caswell |
| 1941 | Man Hunt | Mr. Jones |
| 1941 | Western Union | Doc Murdoch |
| 1941 | Blood and Sand | Nacional |
| 1941 | Swamp Water | Jesse Wick |
| 1940 | The Grapes of Wrath | Casy |
| 1940 | The Return of Frank James | Bob Ford |
| 1940 | Brigham Young | Porter Rockwell |
| 1940 | Chad Hanna | B. D. Bisbee |
| 1939 | Stagecoach | Hatfield |
| 1939 | The Hound of the Baskervilles | Barryman |
| 1939 | Drums Along the Mohawk | Caldwell |
| 1939 | Jesse James | Bob Ford |
| 1939 | Five Came Back | Mr. Crimp |
| 1939 | Mr. Moto's Last Warning | Danforth / Richard Burke |
| 1939 | Frontier Marshal | Ben Carter |
| 1939 | The Three Musketeers | Naveau |
| 1939 | Captain Fury | Coughy |
| 1939 | Land of Liberty | (archive footage) |
| 1938 | Alexander's Ragtime Band | Speakeasy Doorman |
| 1938 | Of Human Hearts | President Lincoln |
| 1938 | Four Men and a Prayer | General Sebastian |
| 1938 | I'll Give a Million | Kopelpeck |
| 1938 | Submarine Patrol | McAllison |
| 1938 | Kentucky Moonshine | Reef Hatfield |
| 1938 | Gateway | Leader of Refugees |
| 1938 | Kidnapped | Gordon |
| 1938 | International Settlement | Murdock |
| 1937 | Captains Courageous | Long Jack |
| 1937 | The Hurricane | Warden |
| 1937 | The Last Gangster | Casper |
| 1937 | Thank You, Mr. Moto | Pereira |
| 1937 | This Is My Affair | Ed |
| 1937 | Ali Baba Goes to Town | Ishak |
| 1937 | Danger – Love at Work | Herbert Pemberton |
| 1937 | Love Under Fire | Capt. Delmar |
| 1937 | Nancy Steele Is Missing! | Harry Wilkins |
| 1936 | The Prisoner of Shark Island | Sergeant Rankin |
| 1936 | Mary of Scotland | Rizzio |
| 1936 | The Garden of Allah | Sand Diviner |
| 1936 | Dimples | Richards |
| 1936 | Daniel Boone | Simon Girty |
| 1936 | Winterset | Bartolomio Romagna |
| 1936 | Ramona | Jim Farrar |
| 1936 | Under Two Flags | Cafard |
| 1936 | White Fang | Beauty Smith |
| 1936 | Laughing at Trouble | Deputy Sheriff Alec Brady |
| 1935 | Bride of Frankenstein | Lost Hunter at Hermit's Cottage (uncredited) |
| 1935 | Les Misérables | Enjolras |
| 1935 | Cardinal Richelieu | Agitator |
| 1935 | The Man Who Broke the Bank at Monte Carlo | Despondent Casino Gambler (uncredited) |
| 1935 | Alias Mary Dow | Griffe - Nightclub Drunk (uncredited) |
| 1935 | Bad Boy | Angry Saxophone Player - Tenant |
| 1934 | The Black Cat | Cult Organist |
| 1934 | Cleopatra | Roman Citizen/Party Guest/Soldier (uncredited) (voice) |
| 1934 | The Meanest Gal in Town | Stranded Actor (uncredited) |
| 1933 | The Invisible Man | Informer Suggesting Ink (uncredited) |
| 1933 | Morning Glory | Dream Apparition (uncredited) |
| 1933 | The Story of Temple Drake | Courtroom Spectator (uncredited) |
| 1933 | To the Last Man | Pete Garon (uncredited) |
| 1933 | This Day and Age | Assistant Principal |
| 1932 | The Sign of the Cross | Christian Martyr / Gladiator Leader / Voice in Coliseum Mob (uncredited) |
| 1931 | Heaven on Earth | Chicken Sam |
| 1930 | Bright Lights | Newspaper reporter / photographer |
| 1930 | Tol'able David | Buzzard Hatburn |
