Kenneth Mars

The Little Mermaid Live!

2019

as King Triton (archive footage) (voice)

The Last Laugh

2016

as Self (archive footage) (uncredited)

The Land Before Time

2007

as Grandpa Longneck (voice)

Hannah Montana

2006

as Gunther

The Land Before Time XII: The Great Day of the Flyers

2006

as Grandpa / Parasaurlophus (voice)

The Land Before Time: 2 DinoRiffic Adventures

2006

as Grandpa Longneck

Disney Heroes Volume 1

2005

as Old Gorilla (voice)

The Land Before Time XI: Invasion of the Tinysauruses

2005

as Grandpa (voice)

The Land Before Time X: The Great Longneck Migration

2003

as Grandpa (voice)

Oliver Beene

2003

as Carl the Super

The Land Before Time IX: Journey to Big Water

2002

as Grandpa (voice)

The Making of 'The Producers'

2002

as Self

Good Morning, Miami

2002

as Marty

The Land Before Time VIII: The Big Freeze

2001

as Grandpa / Lambeosaurus (voice)

The Legend of Tarzan

2001

as Old Gorilla (voice)

Teddy Bears' Picnic

2001

as Gene Molinari

The Land Before Time VII: The Stone of Cold Fire

2000

as Grandpa (voice)

How to Marry a Billionaire: A Christmas Tale

2000

as Buzz

Runaway Virus

2000

as Dr. Arnold Bowman

The Little Mermaid II: Return to the Sea

2000

as King Triton (voice)

Malcolm in the Middle

2000

as Otto Mannkusser

The Land Before Time VI: The Secret of Saurus Rock

1998

as Grandpa (voice)

Becker

1998

as Melvin

L.A. Doctors

1998

as Bill

Will & Grace

1998

as Uncle Sid

Godzilla: The Series

1998

You Wish

1997

as Santa Clause

Cow and Chicken

1997

as Candy Store Geek / Policeman (voice)

The Land Before Time V: The Mysterious Island

1997

as Grandpa (voice)

Bruno the Kid: The Animated Movie

1997

as Professor Von Trapp (voice) (archive footage)

The Angry Beavers

1997

Just Shoot Me!

1997

as Horst

Citizen Ruth

1996

as Dr. Charlie Rollins

The Land Before Time IV: Journey Through the Mists

1996

as Grandpa (voice)

Bruno the Kid

1996

The Pretender

1996

as Benny

The Real Adventures of Jonny Quest

1996

Arli$$

1996

as Coach Duffy

Nash Bridges

1996

as Ronald Bishop

Boston Common

1996

as Clown

Making Frankensense of Young Frankenstein

1996

as Inspector Kemp (archive footage)

The Drew Carey Show

1995

as Mr. Tinsley

The Naked Truth

1995

as Judge

Freakazoid!

1995

as Dr. Gunther Hunterhanker (voice)

Rough Magic

1995

as Magician

The Land Before Time III: The Time of the Great Giving

1995

as Grandpa (voice)

The Land Before Time II: The Great Valley Adventure

1994

as Grandpa (voice)

Party of Five

1994

as Earl Garraty

Thumbelina

1994

as King Colbert (voice)

Duckman

1994

as Native American (voice)

Weird Science

1994

We're Back! A Dinosaur's Story

1993

as Professor Screweyes (voice)

Diagnosis: Murder

1993

as Wallace Carstairs

Animaniacs

1993

as Beethoven (voice)

Lois & Clark: The New Adventures of Superman

1993

as Grant Gendell

Sex, Shock & Censorship in the 90's

1993

as Reverend Pete

Mighty Max

1993

Star Trek: Deep Space Nine

1993

as Colyus

Hangin' with Mr. Cooper

1992

as Mr. Hucklebuck

Fievel's American Tails

1992

as Sweet William (voice)

The Little Mermaid

1992

as King Triton (voice)

Batman: The Animated Series

1992

as Richard (voice)

Shadows and Fog

1991

as Magician

Mimi & Me

1991

as Uncle Al

Darkwing Duck

1991

Rugrats

1991

as Toothbrush / Candy Bar (voice)

The Pirates of Dark Water

1991

as Additional Voices

She'll Take Romance

1990

as Smokey

Shades of L.A.

1990

as Uncle Louis Burton

Evening Shade

1990

as Mayor Ogden

Tiny Toon Adventures

1990

TaleSpin

1990

as Heimlich Menudo (voice)

Bobby's World

1990

Tom & Jerry Kids Show

1990

as Narrator (voice)

Son of Dinosaurs

1989

as Self

The Little Mermaid

1989

as Triton (voice)

Police Academy 6: City Under Siege

1989

as Mayor

Get Smart, Again!

1989

as Cmdr. Drury

The Adventures of Raggedy Ann and Andy

1988

as The Camel with the Wrinkled Knees

Rented Lips

1988

as Reverend Farrell

Illegally Yours

1988

as Hal B. Keeler

Top Cat and the Beverly Hills Cats

1988

as Director / Dogcatcher (voice)

For Keeps

1988

as Mr. Bobrucz

A Different World

1987

as Ridley

DuckTales

1987

as Auric (voice)

Radio Days

1987

as Rabbi Baumel

L.A. Law

1986

as Judge John Zimring

The Flintstone Kids

1986

as Narrator

Perfect Strangers

1986

as Ace Atkins

The Adventures of the American Rabbit

1986

as Vultor / Walt (voice)

Prince Jack

1985

as Lyndon Johnson

Misfits of Science

1985

as Sen. Donner

The Twilight Zone

1985

as (segment "Tooth and Consequences")

227

1985

Beer

1985

as A.J. Norbecker

Fletch

1985

as Stanton Boyd

Protocol

1984

as Lou

Charles in Charge

1984

as Poppa Grundov

Murder, She Wrote

1984

as Hemsley Post

The Duck Factory

1984

as Harmon Alison

Masquerade

1983

as Harold Hayes

Hardcastle and McCormick

1983

The Biskitts

1983

as Fetch

Saturday Supercade

1983

as Quickclaw (voice)

Pitfall

1983

as Quickclaw

Yellowbeard

1983

as Mr. Crisp

Group Madness

1983

as Self

Tucker's Witch

1982

Remington Steele

1982

as Douglas Veenhof

The Rules of Marriage

1982

as Red Hewitt

Cagney & Lacey

1982

Simon & Simon

1981

Laverne & Shirley in the Army

1981

as Sgt. Turnbuckle

Full Moon High

1981

as The Coach - Principal Cleveland

Magnum, P.I.

1980

as Joseph

The Flintstone Comedy Show

1980

as Lou Granite

Before and After

1979

as Ben Fryer

Trapper John, M.D.

1979

Hart to Hart

1979

Scooby-Doo and Scrappy-Doo

1979

as Director

The Facts of Life

1979

Carol Burnett & Company

1979

The Apple Dumpling Gang Rides Again

1979

as Woolly Bill Hitchcock

You Can't Take it With You

1979

as Mr. Kolenkhov

Supertrain

1979

as Turley

$weepstake$

1979

Heaven Only Knows

1979

as Bert Hammond

Goin' Coconuts

1978

as Kruse

Project U.F.O.

1978

Alice

1976

Good Heavens

1976

Laverne & Shirley

1976

Wonder Woman

1975

as Colonel Von Blasko

Night Moves

1975

as Nick

The Bob Crane Show

1975

Someone I Touched

1975

as Paul Wrightwood

It's a Bird, It's a Plane, It's Superman!

1975

as Max Mencken

Barney Miller

1975

as Officer Callahan

Young Frankenstein

1974

as Inspector Kemp

Police Woman

1974

Harry O

1974

as Don Yorkfield

The Parallax View

1974

as Former FBI Agent Will

Hello Mother, Goodbye!

1974

as Son

Hello Mother, Goodbye!

1974

as Son

Guess Who's Sleeping in My Bed?

1973

as Mitchell Bernard

Steambath

1973

as Broker

Hawkins

1973

as Lester De Ville

Barnaby Jones

1973

as William Tarkington IV

Here We Go Again

1973

as Jim Sutton

What's Up, Doc?

1972

as Hugh Simon

Second Chance

1972

as Dr. Julius Roth

Screwball Comedies... Remember Them?

1972

as Self

McMillan & Wife

1971

as Dr. Thursby

Desperate Characters

1971

as Otto Bentwood

Columbo

1971

as Mike

Viva Max!

1969

as Dr. Sam Gillison

Love, American Style

1969

as Jake

Butch Cassidy and the Sundance Kid

1969

as Marshal

The Debbie Reynolds Show

1969

Room 222

1969

The April Fools

1969

as Les Hopkins

The Ghost & Mrs. Muir

1968

as Joshua T. Albertson

The Producers

1968

as Franz Liebkind

Mannix

1967

The Carol Burnett Show

1967

as Self - Guest / Various Characters

He & She

1967

as Harry Zarakardos

Ironside

1967

as Adam Bronson

The Smothers Brothers Comedy Hour

1967

as Self - Commentor (uncredited)

ABC Stage 67

1966

as Dr. Pratt

That Girl

1966

Get Smart

1965

as Tom Orlando

Act One

1963

as Robert E. Sherwood

Gunsmoke

1955

as Clyde Hayes

The Bob Hope Show

1950

as Self