Actor (162 credits)
- 18th Annual Screen Actors Guild Awards (2012) играет самого себя - трибьют памяти, хроника
- The Land Before Time (2007) Grandpa Longneck
- The Land Before Time XII: The Great Day of the Flyers (2006) Grandpa Longneck / Parasaurlophus, voice acting
- The Land Before Time XI: Invasion of the Tinysauruses (2005) Grandpa Longneck, voice acting
- Police Academy 6: City Under Siege - Unholy Alliance: A Retrospective (2004) Mayor, хроника, not listed in credits
- The Land Before Time X: The Great Longneck Migration (2003) Grandpa, voice acting
- Oliver Beene (2003) Carl the Super
- The Land Before Time IX: Journey to the Big Water (2002) Grandpa, voice acting
- Teddy Bears' Picnic (2002) Gene Molinari
- The Legend of Tarzan (2001) Old Gorilla
- The Land Before Time VII: The Stone of Cold Fire (2000)
- How to Marry a Billionaire: A Christmas Tale (2000) Buzz
- Runaway Virus (2000) Dr. Arnold Bowman
- Malcolm in the Middle (2000) Otto Mannkusser
- The Little Mermaid II: Return to the Sea (2000) King Triton, voice acting
- Giggles (1999) Triton, voice acting
- Maggie (1998) Dad #2
- Godzilla: The Series (1998) Alexander Preloran
- The Land Before Time VI: The Secret of Saurus Rock (1998) Grandpa Longneck, voice acting
- Will & Grace (1998) Uncle Sid
- L.A. Doctors (1998)
- Becker (1998) Melvin
- The Angry Beavers (1997) Luc
- Police Academy: The Series (1997) Dr. Otis P. Quackenbush
- The Land Before Time V: The Mysterious Island (1997) Grandpa, voice acting
- The Pretender (1996) Benny
- Bruno the Kid: The Animated Movie (1996) Professor Von Trapp, voice acting
- Citizen Ruth (1996) Dr. Charlie Rollins
- The Real Adventures of Jonny Quest (1996) Faust
- Jungle Cubs (1996) Buffalo
- The Land Before Time IV: Journey Through the Mists (1996)
- Cow and Chicken (1995) Candy Store Geek
- Rough Magic (1995) Magician
- The Naked Truth (1995) Judge
- Freakazoid! (1995) Dr. Gunther Hunterhanker
- Life with Louie (1995)
- The Land Before Time III: The Time of the Great Giving (1995)
- M.A.N.T.I.S. (1994) Medical Examiner Reese
- Thumbelina (1994) King Colbert, voice acting
- Weird Science (1994) Judge
- Duckman: Private Dick/Family Man (1994)
- The Land Before Time II: The Great Valley Adventure (1994)
- Mighty Max (1993)
- Animaniacs (1993) Beethoven
- We're Back! A Dinosaur's Story (1993) Professor Screweyes, voice acting
- Bonkers (1993) Gloomy
- Basic Values: Sex, Shock & Censorship in the 90's (1993) Reverend Pete
- The Pink Panther (1993) Commissioner, voice acting
- Fievel's American Tails (1992) Sweet William
- Batman: The Animated Series (1992) M2
- Hangin' with Mr. Cooper (1992) Mr. Hucklebuck
- The Little Mermaid (1992) Triton
- Shadows and Fog (1991) Magician
- Mimi & Me (1991) Uncle Al
- Darkwing Duck (1991) Tuskernini
- Civil Wars (1991) Judge Mankowitz
- The Pirates of Dark Water (1991) дополнительные голоса, voice acting
- Bobby's World (1990)
- Tom & Jerry Kids Show (1990)
- Rugrats (1990) Candy Bar
- Potsworth & Co. (1990) Greystone Giant
- She'll Take Romance (1990) Smokey
- TaleSpin (1990) Buzz
- Tiny Toon Adventures (1990) Flavio
- Captain Planet and the Planeteers (1990) Moisha Lowkowitz
- The Further Adventures of SuperTed (1989) Sleepless Knight
- Astérix et le coup du menhir (1989) Fishstix, voice acting
- Get Smart, Again! (1989) Cmdr. Drury
- Police Academy 6: City Under Siege (1989) Mayor
- The Little Mermaid (1989) Triton, voice acting
- Rented Lips (1988) Reverend Farrell
- A Pup Named Scooby-Doo (1988) Ghost of Buster McMuttmauler
- For Keeps? (1988) Mr. Bobrucz
- Illegally Yours (1988) Hal B. Keeler
- The Completely Mental Misadventures of Ed Grimley (1988) дополнительные голоса
- Garfield and Friends (1988)
- DuckTales (1987) Vulcan
- Top Cat and the Beverly Hills Cats (1987) Director / Dogcatcher, voice acting
- Radio Days (1987) Rabbi Baumel
- A Different World (1987) Ridley
- The Flintstone Kids (1986) рассказчик
- Teen Wolf (1986) Mayor Marconi
- Perfect Strangers (1986) Alvin «Ace» Atkins
- The Adventures of the American Rabbit (1986) Vultor / Buzzard, voice acting
- The 13 Ghosts of Scooby-Doo (1985) Mayor
- 227 (1985) Joe Bouiver
- Misfits of Science (1985) Sen. Donner
- CBS Storybreak (1985)
- Beer (1985) A.J. Norbecker
- Fletch (1985) Stanton Boyd
- Protocol (1984) Lou
- The New Scooby-Doo Mysteries (1984) Maid Mummy
- Prince Jack (1984) Lyndon Johnson
- Challenge of the GoBots (1984) дополнительные голоса
- Call to Glory (1984) Frank
- The Duck Factory (1984) Harmon Alison
- Charles in Charge (1984) Poppa Grundov
- The Dukes (1983)
- Whiz Kids (1983) Elwood Sellers
- Saturday Supercade (1983) Quickclaw
- Group Madness (1983) играет самого себя
- Yellowbeard (1983)
- Small & Frye (1983) Grosso
- Hardcastle and McCormick (1983) Burt Schneider
- Mork & Mindy/Laverne & Shirley/Fonz Hour (1982) Sgt. Turnbuckle
- Ri¢hie Ri¢h (1982) дополнительные голоса
- The Rules of Marriage (1982) Red Hewitt
- The Mississippi (1982) Kraus
- Full Moon High (1981) The Coach - Principal Cleveland
- Smurfs (1981) дополнительные голоса
- Trollkins (1981) дополнительные голоса
- Simon & Simon (1981) Ben Dodge
- Private Benjamin (1981) Cpt. Buck Stoker
- The Apple Dumpling Gang Rides Again (1979) Marshal Woolly Bill Hitchcock
- Carol Burnett & Company (1979) Various
- Before and After (1979) Ben Fryer
- Supertrain (1979) Turley
- You Can't Take It with You (1979) Mr. Kolenkhov
- America 2-Night (1978) W.D. «Bud» Prize
- Goin' Coconuts (1978) Kruse
- Project U.F.O. (1978) Gus Shaftner
- Carter Country (1977) Chief Thorpe
- Columbo: The Bye-Bye Sky High I.Q. Murder Case (1977) Mike
- Bunco (1977)
- Baa Baa Black Sheep (1976) Harold French
- Good Heavens (1976) Henry
- Family (1976) Bob Fingerman
- Alice (1976) Billy Joe
- Tabitha (1976) Ducky Roberts
- The Tony Randall Show (1976) Dr. Stanner
- Night Moves (1975) Nick
- Someone I Touched (1975) Paul Wrightwood
- It's a Bird... It's a Plane... It's Superman! (1975) Max Mencken
- Barney Miller (1974) Officer Callahan
- Hello Mother, Goodbye! (1974)
- Police Woman (1974) Manny Ziegler
- The Parallax View (1974) Former FBI Agent Will
- Young Frankenstein (1974) Inspector Kemp
- Here We Go Again (1973) Jim Sutton
- Steambath (1973) Broker
- Harry O (1973) Don Yorkfield
- Guess Who's Been Sleeping in My Bed? (1973) Mitchell Bernard
- The Karen Valentine Show (1973) Eddie
- Hawkins (1973) Lester De Ville
- Second Chance (1972) Doctor Julius Roth
- What's Up, Doc? (1972)
- Desperate Characters (1971) Otto Bentwood
- McMillan & Wife (1971) Dr. Thursby
- Shepherd's Flock (1971) Jack Shepherd
- The April Fools (1969) Les Hopkins
- Butch Cassidy and the Sundance Kid (1969) Marshal
- Viva Max (1969) Dr. Sam Gillison
- The Debbie Reynolds Show (1969) Elia Stanislaus
- Love, American Style (1969) Charlie Gibbs (segment 'Love and the Patrolperson')
- Room 222 (1969) Charles Shaffer
- The Ghost & Mrs. Muir (1968) Ellsworth Gordon
- The Producers (1968) Franz Liebkind
- The Carol Burnett Show (1967) играет самого себя - гость
- He & She (1967) Harry Zarakardos
- Act One (1963) Robert E. Sherwood
- The Jetsons (1962)
- Car 54, Where Are You? (1961) Book Publisher, not listed in credits
