Credits

• 2014 · Scooby-Doo! Frankencreepy as Roger (voice) (archive footage)
• 2012 · Scooby-Doo: Mystery in Motion as Ghost (voice) (archive footage)
• 2012 · Scooby-Doo! and the Sea Monsters as Zelig (voice) (archive footage)
• 2011 · Scooby-Doo! and the Pirates as Redbeard the Pirate (voice) (archive footage)
• 2011 · Scooby-Doo! and the Robots as (voice) (archive footage)
• 2010 · Scooby-Doo! Abracadabra-Doo as The Sheriff (voice)
• 2006 · Squirrel Boy as Grandpa Squirrel (voice)
• 2005 · What's New, Scooby-Doo? Vol. 5: Sports Spooktacular as Bob Taylor (voice)
• 2003 · The Lord of the Rings: The Return of the King as Witchking (voice) (uncredited)
• 2002 · What's New, Scooby-Doo? as Zelig (voice)
• 2002 · What's New, Scooby-Doo? as Bob Taylor (voice)
• 2001 · The Flintstones: On the Rocks as Mr. Slate (voice)
• 2001 · Scooby-Doo's Spookiest Tales as Additional Voices (voice) (archive footage)
• 2000 · Scooby-Doo's Creepiest Capers as Additional Voices (voice)
• 2000 · Baby Blues as
• 2000 · The Flintstones in Viva Rock Vegas as Showroom Announcer
• 2000 · Scooby-Doo's Original Mysteries as Workers / Additional Voices (voice) (archive footage)
• 1999 · Scooby-Doo's Greatest Mysteries as Additional Voices (voice)
• 1997 · Johnny Bravo as Mr. Slate / Roller Coaster Operator (voice)
• 1994 · A Flintstones Christmas Carol as Mr. Slate (voice)
• 1993 · A Flintstone Family Christmas as Mr. Slate (voice)
• 1993 · The Flintstones: Hollyrock a Bye Baby as Mr. Slate (voice)
• 1993 · I Yabba Dabba Do! as Mr. Slate
• 1992 · Bionic Six as
• 1991 · Yo, Yogi! as
• 1991 · Space Cats as
• 1991 · Darkwing Duck as
• 1990 · Fender Bender 500 as Doggie Daddy (voice)
• 1990 · Wake, Rattle, and Roll as
• 1990 · TaleSpin as Professor Crackpotkin (voice)
• 1989 · X-Men: Pryde of the X-Men as Professor Charles Xavier (voice)
• 1989 · Hanna-Barbera's 50th as Mr. Slate (voice)
• 1989 · Little Nemo: Adventures in Slumberland as Oompo / Dirigible Captain (voice)
• 1989 · Dixie's Diner as (voice)
• 1988 · Top Cat and the Beverly Hills Cats as Fancy-Fancy / Officer Charlie Dibble / Waiter (voice)
• 1987 · Yogi Bear and the Magical Flight of the Spruce Goose as Doggie Daddy / Pelican (voice)
• 1987 · The Jetsons Meet the Flintstones as Mr. Slate / Moderator / Investor / Poker Player (voice)
• 1987 · Transformers: The Rebirth as Kup
• 1987 · Beverly Hills Teens as (voice)
• 1987 · Fraggle Rock: The Animated Series as
• 1986 · Transformers: Five Faces of Darkness as Kup
• 1986 · Galaxy High School as
• 1986 · Transformers - Le cosmitron as Thundercracker
• 1985 · Yogi's Treasure Hunt as Doggie Daddy (voice)
• 1985 · The Romance of Betty Boop as Announcer (voice)
• 1984 · The Transformers as Thundercracker / Windcharger / Huffer
• 1984 · The Transformers as Kup (voice)
• 1984 · The Transformers as Alpha Trion (voice)
• 1984 · The Transformers as Devcon (voice)
• 1984 · The Amazing Bunjee Venture as Waxer (voice)
• 1983 · G.I. Joe: A Real American Hero as Gen. Flagg (voice)
• 1983 · G.I. Joe: A Real American Hero as
• 1983 · The New Scooby and Scrappy-Doo Show as Klaus / Milo Damp (voice)
• 1983 · The New Scooby and Scrappy-Doo Show as Professor Busby / Olaf the Terrible (voice)
• 1983 · The New Scooby and Scrappy-Doo Show as Dr. LaRue (voice)
• 1982 · Yogi Bear's All-Star Comedy Christmas Caper as Doggie Daddy / Butler / Announcer (voice)
• 1981 · Daniel Boone as
• 1981 · No Man's Valley as Herman (voice)
• 1981 · The Flintstones: Jogging Fever as Frank Frankenstone / Mr. Slate (voice)
• 1981 · The Flintstones: Wind-Up Wilma as Frank Frankenstone (voice)
• 1981 · Spider-Man and His Amazing Friends as (voice)
• 1981 · Spider-Man and His Amazing Friends as Doctor Strange (voice)
• 1981 · Spider-Man and His Amazing Friends as Colossus / Piotr Rasputin / Thunderbird / John Proudstar (voice)
• 1980 · The Flintstone Comedy Show as Mr. Slate
• 1980 · Yogi's First Christmas as Doggie Daddy / Mr. Dingwell (voice)
• 1980 · The Flintstones: Fred's Final Fling as Frank Frankenstone / Dinosaur / Monkey #1 (voice)
• 1980 · The Flintstones' New Neighbors as Frank Frankenstone
• 1980 · The Return of the King as Gondorian Guard / Dwimmerlaik - The Witch-King of Angmar (voice)
• 1979 · Casper's First Christmas as Hairy Scary / Doggie Daddy (voice)
• 1979 · Gulliver's Travels as (voice)
• 1979 · Casper's Halloween Special as Hairy Scary (voice)
• 1979 · The Flintstones Meet Rockula and Frankenstone as Count Rockula (voice)
• 1979 · Mighty Man and Yukk as Mayor / Anthead / Big Mouse / Magnet Man / Catman / Dr. Rufus T. Gadgets / Marble Man / Mr. Van Pire / Dr. Lash, Clyde
• 1979 · Scooby-Doo and Scrappy-Doo as Nick Papas / Lord Silvertree
• 1979 · Casper And The Angels as
• 1979 · Scooby-Doo and Scrappy-Doo as Sylvester
• 1979 · Scooby-Doo and Scrappy-Doo as Miguel Valdez
• 1979 · Scooby-Doo and Scrappy-Doo as Chef
• 1979 · Scooby-Doo and Scrappy-Doo as McGee (voice)
• 1979 · The New Fred and Barney Show as Mr. Slate
• 1978 · The Flintstones: Little Big League as Mr. Slate (voice)
• 1977 · A Flintstone Christmas as Mr. George Nate Slate (voice)
• 1977 · The Hobbit as Dori/Great Goblin/Bard (voice)
• 1977 · Scooby's All-Star Laff-A-Lympics as Mildew Wolf/ Dread Baron/ Great Fondoo/ Doggie Daddy (voice)
• 1977 · 5 Weeks in a Balloon as
• 1976 · Davy Crockett on the Mississippi as Sloan / Andrew Jackson / Blacksmith (voice)
• 1976 · The Scooby-Doo/Dynomutt Hour as Additional Voices (voice)
• 1976 · The Mumbly Cartoon Show as
• 1976 · Clue Club as Sheriff Bagley
• 1975 · Super Friends as
• 1975 · The Tom and Jerry Show as
• 1975 · At Long Last Love as Abbott (Poker Party)
• 1974 · Partridge Family 2200 A.D. as Reuben Kincaid
• 1974 · Hong Kong Phooey as
• 1974 · Cyrano as Richelieu (voice)
• 1974 · Herbie Rides Again as Lawyer
• 1973 · Super Friends as Colonel Wilcox (voice)
• 1973 · Yogi's Gang as
• 1973 · Butch Cassidy as Mr. Socrates (voice)
• 1973 · Inch High, Private Eye as
• 1973 · Charlotte's Web as Farmer Arable (voice)
• 1972 · A Christmas Story as Post Man (voice)
• 1972 · The Thanksgiving That Almost Wasn't as Sparrow #2 (voice)
• 1972 · The Adventures of Robin Hoodnik as Sheriff of Nottingham / Carbuncle (voice)
• 1972 · The Streets of San Francisco as Leonard Paxton
• 1972 · Yogi's Ark Lark as Benny the Ball / Doggy Daddy / Hardy Har-Har (voice)
• 1972 · Temperatures Rising as Dr. Joiner
• 1972 · The New Scooby-Doo Movies as Mr. Thayer / Duke Jason (voice)
• 1972 · The New Scooby-Doo Movies as Vernon Crow (voice)
• 1972 · The New Scooby-Doo Movies as (voice)
• 1972 · The Flintstone Comedy Hour as
• 1972 · The New Scooby-Doo Movies as Lucas / Alberto (voice)
• 1972 · The New Scooby-Doo Movies as Scorpions Owner (voice)
• 1972 · The New Scooby-Doo Movies as Creech (voice)
• 1972 · Sealab 2020 as
• 1971 · McMillan and Wife as
• 1971 · The Pebbles and Bamm-Bamm Show as Mr. Slate
• 1971 · Help!... It's the Hair Bear Bunch! as
• 1969 · Topaz as State Department Interrogator (uncredited)
• 1969 · Scooby-Doo, Where Are You! as Big Bob Oakley / Dracula / Werewolf (voice)
• 1969 · Scooby-Doo, Where Are You! as Sheriff / The Zombie (voice)
• 1969 · Scooby-Doo, Where Are You! as Mr. Hyde / Dr. Jekyll (voice)
• 1969 · Scooby-Doo, Where Are You! as Samson the Strongman (voice)
• 1969 · Scooby-Doo, Where Are You! as The Black Knight / Museum Worker (voice)
• 1969 · Scooby-Doo, Where Are You! as Professor Wayne / The Caveman (voice)
• 1969 · Scooby-Doo, Where Are You! as The Creeper (voice)
• 1969 · Scooby-Doo, Where Are You! as John Simms / The Witch Doctor / Mano Tiki Tia (voice)
• 1969 · Scooby-Doo, Where Are You! as Stuart Wetherby / Ghost of Elias Kingston (voice)
• 1969 · Scooby-Doo, Where Are You! as The Mummy of Ankha (voice)
• 1969 · Scooby-Doo, Where Are You! as Viking Puppet / Pirate Puppet (voice)
• 1969 · Scooby-Doo, Where Are You! as Butler / C.L. Magnus / The Ghost of Redbeard (voice)
• 1968 · Hellfighters as Mr. Chapman (uncredited)
• 1968 · The Doris Day Show as
• 1968 · The Mod Squad as
• 1968 · The Adventures of Gulliver as
• 1968 · Wacky Races as Blubber Bear (voice)
• 1968 · Arabian Knights as Fariik (voice)
• 1967 · Moby Dick and Mighty Mightor as
• 1967 · Birdman and the Galaxy Trio as Number One (voice)
• 1967 · Young Samson & Goliath as Additional Voices
• 1967 · 1967 Busch Advertisement as Mr. Slate (uncredited)
• 1967 · Dragnet as Narrator (voice) (uncredited)
• 1967 · The Invaders as John Nivin
• 1966 · Mission: Impossible as Director
• 1966 · Frankenstein, Jr. and The Impossibles as
• 1966 · That Girl as
• 1966 · The Man Called Flintstone as Mr. Slate / Various Voices (voice)
• 1965 · Get Smart as
• 1965 · Hogan's Heroes as Major Kohler
• 1965 · Hogan's Heroes as Decker
• 1965 · Hogan's Heroes as Inspector General
• 1965 · Hogan's Heroes as Captain Mueller
• 1965 · Hogan's Heroes as Karl
• 1965 · Hogan's Heroes as Felix
• 1965 · Green Acres as
• 1965 · F Troop as
• 1964 · Gomer Pyle, U.S.M.C. as
• 1964 · Jonny Quest as Dr. Quest (voice)
• 1964 · The Peter Potamus Show as Colonel Fuzzby
• 1964 · Breezly and Sneezly as Colonel Fuzzby
• 1964 · The Magilla Gorilla Show as
• 1962 · The Beverly Hillbillies as Mr. Landman
• 1962 · The Beverly Hillbillies as Professor Robert Graham
• 1962 · The Jetsons as Gary Gammaray (voice)
• 1962 · The Jetsons as Dr. Scarem (voice)
• 1962 · The Jetsons as Commissioner / DWMR Officer (voice)
• 1961 · Top Cat as Fancy-Fancy (voice)
• 1961 · Top Cat as The Sergeant (voice)
• 1960 · Spartacus as Centurion (uncredited)
• 1960 · The Andy Griffith Show as Radio Announcer (voice) (uncredited)
• 1960 · The Flintstones as Mr. Slate (voice)
• 1960 · The Flintstones as Joe Rockhead / Andre / Barker / Man #1 (voice)
• 1960 · Johnny Midnight as
• 1959 · Wichita Town as
• 1959 · The Many Loves of Dobie Gillis as
• 1959 · Tightrope as Captain Reardon
• 1958 · 77 Sunset Strip as
• 1958 · Yancy Derringer as Arthur Travers
• 1958 · The Donna Reed Show as
• 1957 · The Real McCoys as
• 1957 · Alcoa Theatre as Major Lennart
• 1957 · The Restless Gun as Joel Fletcher
• 1957 · Perry Mason as Frank Avery
• 1957 · Perry Mason as Grant Reynolds
• 1957 · Perry Mason as Ed Davenport
• 1957 · The Careless Years as Charles Meredith
• 1957 · The Night Runner as Dr. Crawford
• 1956 · Teenage Rebel as Eric McGowan
• 1956 · State Trooper as
• 1955 · I Died a Thousand Times as Pfeiffer (uncredited)
• 1955 · The People's Choice as Roger Crutcher
• 1955 · The Looters as Lt. Jerry Stevenson
• 1955 · Strange Lady in Town as Capt. Taggart (uncredited)
• 1955 · Science Fiction Theatre as
• 1955 · The Millionaire as Dr. Charles Cartwright
• 1955 · The Millionaire as Chet - Publication Executive
• 1954 · Day of Triumph as John the Baptist
• 1954 · The Whistler as
• 1953 · I Led Three Lives as
• 1952 · Cavalcade of America as
• 1951 · Dragnet as
• 1951 · Schlitz Playhouse of Stars as Dr. Jacob Gerski
• 1950 · The George Burns and Gracie Allen Show as The District Attorney
• 1950 · The George Burns and Gracie Allen Show as The Quizmaster
• 1950 · The George Burns and Gracie Allen Show as The Jewelry Clerk
• 1950 · Treasury Men in Action as Agent Weston
• 1950 · Treasury Men in Action as Agent Warwick