2019
The Little Mermaid Live! as King Triton (voice)2016
The Last Laugh as Self2006
Hannah Montana as Gunther2006
The Land Before Time XII: The Great Day of the Flyers as Grandpa / Parasaurlophus (voice)2006
The Land Before Time: 2 DinoRiffic Adventures as Grandpa Longneck2005
The Land Before Time XI: Invasion of the Tinysauruses as Grandpa (voice)2005
Disney Heroes Volume 1 as Old Gorilla (voice)2003
Oliver Beene as Not available2003
The Land Before Time X: The Great Longneck Migration as Grandpa (voice)2002
Good Morning, Miami as Marty2002
The Land Before Time IX: Journey to Big Water as Grandpa (voice)2002
The Making of 'The Producers' as Self2001
The Legend of Tarzan as Old Gorilla (voice)2001
The Land Before Time VIII: The Big Freeze as Grandpa / Lambeosaurus (voice)2001
Teddy Bears' Picnic as Gene Molinari2000
Malcolm in the Middle as Otto Mannkusser2000
The Land Before Time VII: The Stone of Cold Fire as Grandpa (voice)2000
The Little Mermaid II: Return to the Sea as King Triton (voice)2000
How to Marry a Billionaire: A Christmas Tale as Not available2000
Runaway Virus as Dr. Arnold Bowman1998
Will & Grace as Uncle Sid1998
Becker as Melvin1998
Godzilla: The Series as Not available1998
L.A. Doctors as Bill1998
The Land Before Time VI: The Secret of Saurus Rock as Grandpa (voice)1997
Cow and Chicken as Not available1997
The Angry Beavers as Not available1997
Just Shoot Me! as Horst1997
The Land Before Time V: The Mysterious Island as Grandpa (voice)1997
Bruno the Kid: The Animated Movie as Professor Von Trapp (voice) (archive footage)1996
The Real Adventures of Jonny Quest as Not available1996
The Pretender as Benny1996
Nash Bridges as Ronald Bishop1996
Boston Common as Clown1996
The Land Before Time IV: Journey Through the Mists as Grandpa (voice)1996
Citizen Ruth as Dr. Charlie Rollins1996
Making Frankensense of Young Frankenstein as Inspector Kemp (archive footage)1995
The Drew Carey Show as Mr. Tinsley1995
Freakazoid! as Dr. Hunterhanker (voice)1995
The Naked Truth as Judge1995
The Land Before Time III: The Time of the Great Giving as Grandpa (voice)1995
Rough Magic as Magician1994
Duckman as Not available1994
Weird Science as Not available1994
Thumbelina as King Colbert (voice)1994
The Land Before Time II: The Great Valley Adventure as Grandpa (voice)1993
Lois & Clark: The New Adventures of Superman as Not available1993
Star Trek: Deep Space Nine as Colyus1993
Diagnosis: Murder as Wallace Carstairs1993
Animaniacs as Beethoven (voice)1993
Mighty Max as Not available1993
We're Back! A Dinosaur's Story as Professor Screweyes (voice)1993
Sex, Shock & Censorship in the 90's as Reverend Pete1992
Batman: The Animated Series as Richard (voice)1992
Batman: The Animated Series as M2 (voice)1992
The Little Mermaid as King Triton (voice)1992
Hangin' with Mr. Cooper as Mr. Hucklebuck1992
Fievel's American Tails as Sweet William (voice)1991
Rugrats as Not available1991
Darkwing Duck as Not available1991
Darkwing Duck as (voice)1991
The Pirates of Dark Water as Additional Voices1991
Shadows and Fog as Magician1991
Mimi & Me as Uncle Al1990
Tom & Jerry Kids Show as Narrator (voice)1990
Bobby's World as Not available1990
Tiny Toon Adventures as Not available1990
TaleSpin as Heimlich Menudo (voice)1990
TaleSpin as Buzz (voice)1990
TaleSpin as Buzz / Heimlich Menudo (voice)1990
Shades of L.A. as Uncle Louis Burton1990
She'll Take Romance as Smokey1989
The Little Mermaid as King Triton (voice)1989
Police Academy 6: City Under Siege as Mayor1989
Get Smart, Again! as Cmdr. Drury1989
Son of Dinosaurs as Not available1988
The Adventures of Raggedy Ann and Andy as The Camel with the Wrinkled Knees1988
Top Cat and the Beverly Hills Cats as Director / Dogcatcher (voice)1988
For Keeps as Mr. Bobrucz1988
Illegally Yours as Hal B. Keeler1987
DuckTales as Auric (voice)1987
A Different World as Ridley1987
Radio Days as Rabbi Baumel1987
Rented Lips as Reverend Farrell1986
The Flintstone Kids as Narrator1986
L.A. Law as Judge John Zimring1986
Perfect Strangers as Ace Atkins1986
The Adventures of the American Rabbit as Vultor / Walt (voice)1985
The Twilight Zone as (segment "Tooth and Consequences")1985
227 as Not available1985
Misfits of Science as Sen. Donner1985
Fletch as Stanton Boyd1985
Beer as A.J. Norbecker1985
Prince Jack as Lyndon Johnson1984
Murder, She Wrote as Hemsley Post1984
Charles in Charge as Poppa Grundov1984
The Duck Factory as Not available1984
Protocol as Lou1983
Saturday Supercade as Quickclaw (voice)1983
Hardcastle and McCormick as Not available1983
The Biskitts as Fetch1983
Yellowbeard as Mr. Crisp1983
Group Madness as Self1982
Remington Steele as Douglas Veenhof1982
Cagney & Lacey as Not available1982
Tucker's Witch as Not available1982
Tucker's Witch as Mark Wyndham1982
The Rules of Marriage as Red Hewitt1981
Simon & Simon as Not available1981
Laverne & Shirley in the Army as Sgt. Turnbuckle1981
Full Moon High as The Coach - Principal Cleveland1980
Magnum, P.I. as Joseph1980
Magnum, P.I. as Archie1980
The Flintstone Comedy Show as Lou Granite1979
The Facts of Life as Not available1979
Trapper John, M.D. as Not available1979
Hart to Hart as Not available1979
Scooby-Doo and Scrappy-Doo as Director1979
Sweepstakes as Not available1979
Carol Burnett & Company as Not available1979
The Apple Dumpling Gang Rides Again as Woolly Bill Hitchcock1979
Before and After as Ben Fryer1979
You Can't Take it With You as Mr. Kolenkhov1978
Project U.F.O. as Not available1978
Goin' Coconuts as Kruse1976
Alice as Not available1976
Laverne & Shirley as Not available1976
Good Heavens as Not available1975
Barney Miller as Officer Callahan1975
Wonder Woman as Colonel Von Blasko1975
The Bob Crane Show as Not available1975
Night Moves as Nick1975
It's a Bird, It's a Plane, It's Superman! as Max Mencken1975
Someone I Touched as Paul Wrightwood1974
Police Woman as Not available1974
Police Woman as Manny Ziegler1974
Harry O as Not available1974
Harry O as Don Yorkfield1974
Hello Mother, Goodbye! as Son1974
Young Frankenstein as Inspector Kemp1974
The Parallax View as Former FBI Agent Will1974
Hello Mother, Goodbye! as Not available1973
Barnaby Jones as William Tarkington IV1973
Hawkins as Lester De Ville1973
Here We Go Again as Jim Sutton1973
Steambath as Broker1973
Guess Who's Sleeping in My Bed? as Mitchell Bernard1972
What's Up, Doc? as Hugh Simon1972
Second Chance as Dr. Julius Roth1972
Screwball Comedies... Remember Them? as Self1971
Columbo as Mike1971
McMillan & Wife as Dr. Thursby1971
McMillan & Wife as Mr. Buchanan1971
Desperate Characters as Otto Bentwood1969
Love, American Style as Jake1969
Love, American Style as Joe1969
Room 222 as Not available1969
The Debbie Reynolds Show as Not available1969
Butch Cassidy and the Sundance Kid as Marshal1969
Viva Max! as Dr. Sam Gillison1969
The April Fools as Les Hopkins1968
The Ghost & Mrs. Muir as Joshua T. Albertson1968
The Producers as Franz Liebkind1967
The Carol Burnett Show as Self - Guest / Various Characters1967
Mannix as Not available1967
Mannix as Mercer1967
Ironside as Adam Bronson1967
He & She as Harry Zarakardos1966
That Girl as Not available1966
ABC Stage 67 as Dr. Pratt1965
Get Smart as Not available1963
Act One as Robert E. Sherwood1955
Gunsmoke as Clyde Hayes1950
The Bob Hope Show as Self