Credits

• 2017 · The DePatie/Frelang Collection: Sheriff Hoot Kloot as Sheriff Hoot Kloot (voice) (archive sound) (uncredited)
• 1986 · The Adventures of the American Rabbit as Rotten Rodney (voice)
• 1985 · Disney's Adventures of the Gummi Bears as Dom Gordo of Ghent
• 1985 · Disney's Adventures of the Gummi Bears as Dom Gordo of Ghent (voice)
• 1985 · Disney's Adventures of the Gummi Bears as Giant (voice)
• 1984 · Challenge of the GoBots as
• 1984 · Snorks as Mr. Seaworthy
• 1984 · Gremlins as Mogwai / Gremlins (voice)
• 1983 · Disney's Wonderful World of Winter as Stanley Slush
• 1983 · The Biskitts as
• 1983 · Peter and the Magic Egg as (voice)
• 1982 · The Incredible Hulk as
• 1982 · Flash Gordon: The Greatest Adventure of All as Dr. Hans Zarkov (voice)
• 1982 · The Grinch Grinches the Cat in the Hat as The Grinch / Waiter / The Grinch's Mother (voice)
• 1982 · Puff the Magic Dragon: The Incredible Mr. Nobody as Father (voice)
• 1981 · Dennis the Menace in Mayday for Mother as Henry Mitchell (voice)
• 1981 · Strawberry Shortcake in Big Apple City as Coco Nutwork (voice)
• 1979 · Flash Gordon as
• 1978 · Challenge of the Super Friends as
• 1977 · The Mouse and His Child as Muskrat (voice)
• 1977 · Scooby's Laff-A Lympics as
• 1977 · Wizards as Avatar (voice)
• 1976 · The Scooby-Doo/Dynomutt Hour as Additional Voices (voice)
• 1976 · Medicur as Dogfather / Rocky McSnarl / Doctor (voice)
• 1975 · Rockhounds as Dogfather / Pug / Boy (voice)
• 1975 · The Great Grape Ape Show as
• 1975 · The Oddball Couple as
• 1975 · Goldilox & the Three Hoods as Dogfather (voice)
• 1975 · The Day of the Locust as Tour Guide
• 1975 · From Nags to Riches as Dogfather / Pug (voice)
• 1975 · Eagle Beagles as Dogfather (voice)
• 1975 · Haunting Dog as Dogfather (voice)
• 1975 · M-O-N-E-Y Spells Love as Dogfather / Pug / Rocky / Priest (voice)
• 1975 · Rock-A-Bye Maybe as Dogfather (voice)
• 1975 · Saltwater Tuffy as Dogfather / Pugg (voice)
• 1975 · Watch the Birdie as Dogfather / Pug (voice)
• 1975 · The Hoober-Bloob Highway as Mr. Hoober-Bloob (voice)
• 1974 · Bows and Errors as Dogfather (voice)
• 1974 · Deviled Yeggs as Dogfather / Pug (voice)
• 1974 · Abby as The Demon (voice)
• 1974 · Mother Dogfather as Dogfather / Pug (voice)
• 1974 · The Big House Ain't a Home as Dogfather / Pug (voice)
• 1974 · The Goose That Laid a Golden Egg as Dogfather / Pug (voice)
• 1974 · Heist and Seek as Dogfather / Pug / Translator (voice)
• 1974 · The Nine Lives of Fritz the Cat as Various Voices
• 1974 · Hong Kong Phooey as
• 1974 · Oliver Twist as (voice)
• 1974 · The Dogfather as Dogfather (voice)
• 1974 · The Dogfather as Dogfather (voice)
• 1974 · Mesa Trouble as Hoot Kloot / Fester / Townspeople (voice)
• 1974 · Saddle Soap Opera as Hoot Kloot / Fester (voice)
• 1974 · Big Beef at the O.K. Corral as Hoot Kloot / Fester (voice)
• 1974 · The Badge and the Beautiful as Hoot Kloot / Fester (voice)
• 1974 · By Hoot or By Crook as Hoot Kloot / Fester (voice)
• 1974 · Strange on the Range as Hoot Kloot / Fester / Billy the Kidder (voice)
• 1974 · As the Tumbleweed Turns as Hoot Kloot / Fester / Railroad President (voice)
• 1974 · Giddy Up Woe as Hoot Kloot / Fester / Robber / Alf Willett (voice)
• 1974 · Gold Struck as Hoot Kloot / Fester (voice)
• 1974 · Phony Express as Hoot Kloot / Fester / Mailman / Thief / Horse / Postmaster (voice)
• 1973 · The Bear Who Slept Through Christmas as Santa Claus (voice)
• 1973 · B.C.: The First Thanksgiving as Wiley / Grog
• 1973 · Ten Miles to the Gallop as Hoot Kloot / Fester (voice)
• 1973 · Stirrups and Hiccups as Hoot Kloot / Fester / Mild-Bill Hiccup / Wild-Bill Hiccup / Wyatt Earp (voice)
• 1973 · Dr. Seuss on the Loose as Sneetches / Sylvester McMonkey McBean (voice)
• 1973 · Pay Your Buffalo Bill as Hoot Kloot / Fester (voice)
• 1973 · A Self-Winding Sidewinder as Hoot Kloot / Fester / Crazywolf / Townspeople (voice)
• 1973 · Bailey's Comets as
• 1973 · Apache on the County Seat as Hoot Kloot / Fester / Indians (voice)
• 1973 · The Shoe Must Go On as Hoot Kloot / Fester (voice)
• 1973 · Charlotte's Web as Homer Zuckerman (voice)
• 1973 · Wham and Eggs as Dragon (voice)
• 1973 · Kloot's Kounty as Hoot Kloot / Fester (voice)
• 1973 · Sheriff Hoot Kloot as
• 1972 · Clerow Wilson and the Miracle of P.S. 14 as Announcer / Mr. Perkins (voice)
• 1972 · Support Your Local Serpent as Blue Racer / Japanese Beetle / Venus Flytrap / Jake (voice)
• 1972 · Flight to the Finish as Crazylegs Crane (voice)
• 1972 · The Lorax as The Lorax / The Once-ler (voice)
• 1972 · New Zoo Revue as
• 1971 · The Wizard of Id as
• 1971 · Bedknobs and Broomsticks as Codfish (voice)
• 1970 · Doctor Dolittle as Dr. John Dolittle (voice)
• 1970 · Uncle Sam Magoo as Chief Strong Eagle
• 1969 · Love, American Style as Williams (voice)
• 1959 · The Great St. Louis Bank Robbery as Police Dispatcher
• 1950 · Julius Caesar as Octavius Caesar