Credits
- 2012 · In the Beginning: The Caesar Years as Self
- 2003 · All Grown Up! as Doctor (voice)
- 2002 · Added Attractions: The Hollywood Shorts Story as Self (archive footage) (uncredited)
- 2000 · The Sid Caesar Collection: The Magic of Live TV as Self
- 2000 · The Sid Caesar Collection: Inside the Writer's Room as Himself
- 2000 · The Sid Caesar Collection: Creating the Comedy as Himself
- 1998 · The Wild Thornberrys as Lion / Zebra (voice)
- 1998 · Breakfast with Einstein as Abercrombie
- 1998 · The Wonderful Ice Cream Suit as Leo Zellman
- 1997 · Cow and Chicken as
- 1997 · Cow and Chicken as Flem (voice)
- 1997 · I Am Weasel as Flem (voice)
- 1996 · E! True Hollywood Story as
- 1995 · It Came from Outer Space II as Ben Cully
- 1994 · Duckman as
- 1992 · Tom and Jerry: The Movie as Squawk (voice)
- 1991 · Dying Young as Voice on Jetsons (voice)
- 1991 · Life Stinks as Sailor
- 1990 · TaleSpin as Postal Worker (voice)
- 1990 · TaleSpin as King Amok (voice)
- 1990 · Gravedale High as
- 1990 · The Adventures of Ronald McDonald: McTreasure Island as (voice)
- 1989 · Transylvania Twist as Marinas Orlock
- 1989 · Baywatch as
- 1989 · Baywatch as Jigger
- 1989 · Chip 'n' Dale Rescue Rangers as
- 1989 · Chip 'n' Dale Rescue Rangers as Desoto (voice)
- 1988 · Garfield and Friends as Wade (voice)
- 1988 · Police Academy as
- 1988 · Joan Rivers and Friends Salute Heidi Abromowitz as Howie Morris
- 1987 · DuckTales as Djinni / Archeologist (voice)
- 1987 · DuckTales as
- 1987 · DuckTales as Dr. Von Swine
- 1987 · DuckTales as Happy Jack / Dr. Von Swine (voice)
- 1986 · Galaxy High School as
- 1986 · Return to Mayberry as Ernest T. Bass
- 1985 · Star Fairies as Dragon Head #1 (voice)
- 1985 · Disney's Adventures of the Gummi Bears as
- 1985 · Disney's Adventures of the Gummi Bears as Sir Paunch (voice)
- 1985 · The 13 Ghosts of Scooby-Doo as Bogel (voice)
- 1985 · Sweet Sea as (voice)
- 1984 · Murder, She Wrote as Uncle Ziggy
- 1984 · Splash as Dr. Zidell
- 1983 · Deck the Halls with Wacky Walls as Crazy Legs
- 1982 · Portrait of a Showgirl as Wally Gordon
- 1982 · Bunnicula, the Vampire Rabbit as Chester / Stockboy / Hank (voice)
- 1981 · History of the World: Part I as Court Spokesman - The Roman Empire
- 1981 · The Munsters' Revenge as Cousin Igor
- 1979 · Trapper John, M.D. as
- 1979 · Legends of the Superheroes as Dr. Sivana
- 1979 · Legends of the Super Heroes as Dr. Sivana
- 1977 · High Anxiety as Professor Lilloman
- 1977 · The New Archie and Sabrina Hour as Jughead Jones (voice)
- 1977 · Space Academy as
- 1977 · The Many Adventures of Winnie the Pooh as Gopher (voice)
- 1977 · The Smallest Elephant in the World as Narrator
- 1974 · The US of Archie as
- 1973 · Mission: Magic! as Mr. Samuels / Socks / Vinnie (voice)
- 1973 · My Favorite Martians as Tim O'Hara (voice)
- 1973 · Ten from Your Show of Shows as
- 1972 · Daffy Duck and Porky Pig Meet the Groovie Goolies as Franklin Frankenstein, Wolfgang Wolfman, Mummy, Hauntleroy
- 1972 · The Banana Splits in Hocus Pocus Park as Hocus / Pocus (voice)
- 1972 · The Bob Newhart Show as
- 1971 · And Then They Forgot God as Mr. Williams
- 1971 · Archie's TV Funnies as
- 1970 · Archie's Funhouse as Jughead Jones / Big Moose / Dilton Doiley
- 1970 · Will the Real Jerry Lewis Please Sit Down as
- 1970 · Groovie Goolies as
- 1969 · Don't Drink the Water as Pilot (uncredited)
- 1969 · Love, American Style as
- 1969 · Archie and His New Pals as Jughead Jones / Moose (voice)
- 1969 · Sabrina, the Teenage Witch as Jughead Jones / Dilton Dolley (voice)
- 1969 · Sabrina, the Teenage Witch as Jughead Jones (voice)
- 1969 · Sabrina, the Teenage Witch as Hot Dog Jr. (voice)
- 1969 · Sabrina, the Teenage Witch as Various (voice)
- 1969 · Sabrina, the Teenage Witch as Jughead Jones / Big Moose Mason / Hot Dog Jr. (voice)
- 1969 · Sabrina, the Teenage Witch as Jughead Jones / Big Moose Mason (voice)
- 1969 · Sabrina, the Teenage Witch as Jughead Jones / Big Moose Mason / Squire Squint (voice)
- 1969 · Sabrina, the Teenage Witch as Jughead Jones / Moose Mason (voice)
- 1969 · Sabrina, the Teenage Witch as Jughead Jones / Benjamin Franklin (voice)
- 1969 · Sabrina, the Teenage Witch as Jughead Jones / Frankie / Wolfie / Mummy (voice)
- 1969 · Sabrina, the Teenage Witch as Jughead Jones / Frankie / Wolfie / Hauntleroy (voice)
- 1969 · Sabrina, the Teenage Witch as Jughead Jones / Frankie / Wolfie / Mummy / Hauntleroy (voice)
- 1969 · Sabrina, the Teenage Witch as Jughead Jones / Dilton Doiley (voice)
- 1969 · Sabrina, the Teenage Witch as Jughead Jones / Cousin Ambrose (voice)
- 1969 · Sabrina, the Teenage Witch as Frankie / Wolfie / Mummy / Snyder the Spider (voice)
- 1969 · Sabrina, the Teenage Witch as Jughead Jones / Big Moose Mason / Dilton Doiley (voice)
- 1969 · Sabrina, the Teenage Witch as Big Moose Mason / Dilton Doiley (voice)
- 1969 · Sabrina, the Teenage Witch as Jughead Jones / Frankie / Hauntleroy / Various (voice)
- 1969 · The Archie Comedy Hour as
- 1968 · Winnie the Pooh and the Blustery Day as Gopher (voice)
- 1968 · The Archie Show as Moose Mason / Jughead Jones / Dilton Doiley (voices)
- 1968 · The Dick Cavett Show as Self - Guest
- 1968 · Star Spangled Salesman as Self
- 1967 · The Big Mouth as Cameo Role (uncredited)
- 1966 · Way... Way Out as Schmidlap
- 1966 · Tarzan as
- 1966 · Alice in Wonderland or What's a Nice Kid Like You Doing in a Place Like This? as White Rabbit
- 1966 · Alice of Wonderland in Paris as The Frowning Prince / King (segment "The Frowning Prince") / Grand Wizard (voice)
- 1966 · Winnie the Pooh and the Honey Tree as Gopher (voice)
- 1965 · The Atom Ant Show as Atom Ant (voice)
- 1965 · Fluffy as Sweeney
- 1964 · The Famous Adventures of Mr. Magoo as
- 1964 · The Peter Potamus Show as Breezly Bruin
- 1964 · Breezly and Sneezly as Breezly Bruin
- 1964 · The Huffless, Puffless, Dragon as
- 1964 · The Magilla Gorilla Show as Melvin Peebles
- 1964 · Punkin' Puss & Mushmouse as Mushmouse
- 1963 · Habit Rabbit as Raymond
- 1963 · The Danny Kaye Show as Self
- 1963 · The Nutty Professor as Mr. Elmer Kelp
- 1963 · Beetle's High Horps as Beetle Bailey / Gen. Halftrack
- 1962 · 40 Pounds of Trouble as Julius
- 1962 · Mouse Blanche as Deliveryman
- 1962 · The Lucy Show as Howard Coe
- 1962 · The Jetsons as Jet Screamer (voice)
- 1962 · The Jetsons as Harlan (voice)
- 1962 · The Jetsons as Montague Jetson (voice)
- 1962 · The Jetsons as Nimbus the Great / George's Conscience / Willie (voice)
- 1962 · The Jetsons as Mr. Tweeter (voice)
- 1962 · The Jetsons as Emcee (voice)
- 1962 · The Jetsons as Boppo Crushstar / CB (voice)
- 1962 · The Jetsons as Bus Driver (voice)
- 1962 · Ensign O'Toole as Delacroix
- 1962 · Boys' Night Out as Howard McIllenny
- 1962 · Beetle Bailey as Beetle Bailey
- 1962 · The Beachcomber as Melvin M. Murney
- 1961 · Munro as Narrator / General / Soldiers (voice)
- 1961 · The Dick Van Dyke Show as Mr. Holdecker
- 1961 · The Frowning Prince as
- 1961 · Stop Driving Us Crazy as
- 1960 · The Andy Griffith Show as Ernest T. Bass
- 1960 · The Andy Griffith Show as The Voice of Leonard Blush
- 1960 · The Andy Griffith Show as George
- 1960 · The Flintstones as Mr. Rockhard / Charles / Coach / Cat / Boy #1 / Boy #3 (voice)
- 1960 · The Flintstones as Clerk / Kid / Porcupine (voice)
- 1960 · The Flintstones as The Kissing Burglar / Henry / Cop #1 (voice)
- 1960 · The Flintstones as Guard / Announcer / Pilot / Traffic Cop / Black Lamb (voice)
- 1960 · The Flintstones as Eddie / Clam / Turtle / Manager / Customer (voice)
- 1960 · The Flintstones as Dr. Corset / Brick / Bird (voice)
- 1960 · The Flintstones as Boy / Monkey / Man #1 / Man #3 / Man #4 / Bird (voice)
- 1960 · The Flintstones as Ollie (voice)
- 1960 · The Flintstones as Rockhead / Slag / Bird / Card Player #2 (voice)
- 1960 · The Flintstones as Bobby / Announcer / Parrot (voice)
- 1960 · The Flintstones as Herman / Chimp / Horse / Sam / Bird General (voice)
- 1960 · The Flintstones as Peter / Al / Cop / Mop / Announcer (voice)
- 1960 · The Flintstones as Bird / Kid #2 / Monkey #2 / Elmo / Elephant / Lucy (voice)
- 1960 · The Flintstones as Bird in Tree (voice)
- 1960 · The Flintstones as Percy / Pa / Slab / Possum / 1st Dinosaur / Attendant (voice)
- 1960 · The Flintstones as Treasurer / Turtle / Bird / Scotsman (voice)
- 1960 · The Flintstones as Doc (voice)
- 1960 · The Flintstones as Al (voice)
- 1960 · The Flintstones as Additional Voices (voice)
- 1960 · The Flintstones as Bird (voice)
- 1960 · Thriller as Myron Sills / Dr. Wilfred Bliss
- 1959 · The Twilight Zone as George P. Hanley
- 1958 · Wanted: Dead or Alive as Clayton Armstrong
- 1958 · Aladdin as Wu Fang
- 1957 · Twelfth Night as Feste
- 1957 · DuPont Show of the Month as Wu Fang
- 1955 · Alfred Hitchcock Presents as Dave Sumner
- 1952 · This Is Your Life as Self
- 1951 · Hallmark Hall of Fame as Feste, the clown
- 1950 · The Bob Hope Show as Self
- 1950 · Your Show of Shows as
- 1950 · Your Show of Shows as Self - Regular Performer