Kenneth Mars (April 4, 1935 – February 12, 2011) was an American actor. He appeared in two Mel Brooks films: as the deranged Nazi playwright Franz Liebkind in The Producers (1967) and Police Inspector Hans Wilhelm Friedrich Kemp in Young Frankenstein (1974). He also appeared in Peter Bogdanovich's What's Up Doc? (1972), and Woody Allen's Radio Days (1987), and Shadows and Fog (1991).
Mars appeared in two seasons of Malcolm in the Middle as Otto ...
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The Little Mermaid
As King Triton (voice)
Butch Cassidy and the Sundance Kid
As Marshal
Young Frankenstein
As Inspector Kemp
How to Marry a Billionaire: A Christmas Tale
The Producers
As Franz Liebkind
The Apple Dumpling Gang Rides Again
As Woolly Bill Hitchcock
The Land Before Time VII: The Stone of Cold Fire
As Grandpa (voice)
Yellowbeard
As Mr. Crisp
What's Up, Doc?
As Hugh Simon
The Land Before Time X: The Great Longneck Migration
As Grandpa (voice)
The Land Before Time XI: Invasion of the Tinysauruses
As Grandpa (voice)
Night Moves
As Nick
The Land Before Time IX: Journey to Big Water
As Grandpa (voice)
The Land Before Time VIII: The Big Freeze
As Grandpa / Lambeosaurus (voice)
For Keeps
As Mr. Bobrucz
Fletch
As Stanton Boyd
Get Smart, Again!
As Cmdr. Drury
Citizen Ruth
As Dr. Charlie Rollins
The Land Before Time II: The Great Valley Adventure
As Grandpa (voice)
Rough Magic
As Magician
Viva Max!
As Dr. Sam Gillison
The Land Before Time VI: The Secret of Saurus Rock
As Grandpa (voice)
The Parallax View
As Former FBI Agent Will
Illegally Yours
As Hal B. Keeler
The Land Before Time III: The Time of the Great Giving
As Grandpa (voice)
Steambath
As Broker
The April Fools
As Les Hopkins
Beer
As A.J. Norbecker
Full Moon High
As The Coach - Principal Cleveland
Screwball Comedies... Remember Them?
As Self
Teddy Bears' Picnic
As Gene Molinari
Someone I Touched
As Paul Wrightwood
The Last Laugh
As Self
Guess Who's Sleeping in My Bed?
As Mitchell Bernard
Bruno the Kid: The Animated Movie
As Professor Von Trapp (voice) (archive footage)
Second Chance
As Dr. Julius Roth
The Land Before Time IV: Journey Through the Mists
As Grandpa (voice)
The Land Before Time V: The Mysterious Island
As Grandpa (voice)
Top Cat and the Beverly Hills Cats
As Director / Dogcatcher (voice)
Shadows and Fog
As Magician
She'll Take Romance
As Smokey
Desperate Characters
As Otto Bentwood
You Can't Take it With You
As Mr. Kolenkhov
Son of Dinosaurs
The Little Mermaid II: Return to the Sea
As King Triton (voice)
Prince Jack
As Lyndon Johnson
Runaway Virus
As Dr. Arnold Bowman
Mimi & Me
As Uncle Al
Thumbelina
As King Colbert (voice)
The Adventures of the American Rabbit
As Vultor / Walt (voice)
Protocol
As Lou
Before and After
As Ben Fryer
It's a Bird, It's a Plane, It's Superman!
As Max Mencken
Group Madness
As Self
We're Back! A Dinosaur's Story
As Professor Screweyes (voice)
Act One
As Robert E. Sherwood
The Land Before Time: 2 DinoRiffic Adventures
As Grandpa Longneck
Police Academy 6: City Under Siege
As Mayor
Hello Mother, Goodbye!
Disney Heroes Volume 1
As Old Gorilla (voice)
Rented Lips
As Reverend Farrell
Sex, Shock & Censorship in the 90's
As Reverend Pete
The Little Mermaid Live!
As King Triton (voice)
The Making of 'The Producers'
As Self
Radio Days
As Rabbi Baumel
Making Frankensense of Young Frankenstein
As Inspector Kemp (archive footage)
The Land Before Time XII: The Great Day of the Flyers
As Grandpa / Parasaurlophus (voice)
Goin' Coconuts
As Kruse
The Rules of Marriage
As Red Hewitt
Fievel's American Tails
As Sweet William (voice)
The Drew Carey Show
As Mr. Tinsley
L.A. Law
As Judge John Zimring
Magnum, P.I.
Alice
Duckman
Hardcastle and McCormick
Columbo
As Mike
Charles in Charge
As Poppa Grundov
Remington Steele
As Douglas Veenhof
Trapper John, M.D.
The Real Adventures of Jonny Quest
The Facts of Life
Tiny Toon Adventures
L.A. Doctors
The Pretender
As Benny
Mighty Max
Simon & Simon
The Twilight Zone
That Girl
227
Malcolm in the Middle
As Otto Mannkusser
Hawkins
As Lester De Ville
Barney Miller
As Officer Callahan
Darkwing Duck
Room 222
Mannix
Diagnosis: Murder
As Wallace Carstairs
Rugrats
The Little Mermaid
As King Triton (voice)
Laverne & Shirley
The Angry Beavers
Cow and Chicken
Weird Science
Hart to Hart
The Flintstone Kids
As Narrator
Gunsmoke
As Clyde Hayes
Cagney & Lacey
Oliver Beene
Becker
As Melvin
Lois & Clark: The New Adventures of Superman
Hannah Montana
As Gunther
The Biskitts
As Fetch
Tucker's Witch
Will & Grace
As Uncle Sid
Get Smart
Ironside
McMillan and Wife
Harry O
Police Woman
Saturday Supercade
As Quickclaw (voice)
Project U.F.O.
Misfits of Science
As Sen. Donner
The Duck Factory
The Debbie Reynolds Show
Good Heavens
Carol Burnett & Company
Sweepstakes
Shades of L.A.
As Uncle Louis Burton
The Bob Crane Show
Batman: The Animated Series
As Richard (voice)
Laverne & Shirley in the Army
As Sgt. Turnbuckle
The Legend of Tarzan
As Old Gorilla (voice)
He & She
As Harry Zarakardos
Freakazoid!
As Dr. Hunterhanker (voice)
Scooby-Doo and Scrappy-Doo
As Director
The Bob Hope Show
As Self
Bobby's World
Barnaby Jones
As William Tarkington IV
A Different World
As Ridley
Hello Mother, Goodbye!
As Son
Here We Go Again
As Jim Sutton
TaleSpin
As Heimlich Menudo (voice)
Animaniacs
As Beethoven (voice)
Perfect Strangers
As Ace Atkins
Star Trek: Deep Space Nine
As Colyus
The Naked Truth
As Judge
ABC Stage 67
As Dr. Pratt
Nash Bridges
As Ronald Bishop
The Carol Burnett Show
As Self - Guest / Various Characters
DuckTales
As Auric (voice)
The Pirates of Dark Water
As Additional Voices
The Ghost & Mrs. Muir
As Joshua T. Albertson
Tom & Jerry Kids Show
As Narrator (voice)
The Flintstone Comedy Show
As Lou Granite
The Adventures of Raggedy Ann and Andy
As The Camel with the Wrinkled Knees
Boston Common
As Clown
Just Shoot Me!
As Horst
Good Morning, Miami
As Marty
Murder, She Wrote
As Hemsley Post
Wonder Woman
As Colonel Von Blasko