Biography
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 Mannkusser, Francis's well-meaning but dimwitted b...
Known For
Complete Filmography

The Little Mermaid Live!
2019
as King Triton (voice)
Live musical performances by a star-studded cast will be interwoven into the broadcast of the animated classic.

The Last Laugh
2016
as Self
Feature documentary about humor and the Holocaust, examining whether it is ever acceptable to use humor in connection with a tragedy of that scale, an...

The Land Before Time XII: The Great Day of the Flyers
2006
as Grandpa / Parasaurlophus (voice)
As the Great Day of the Flyers nears, the Great Valley's flying youngsters are eager to participate in the annual exhibition to show off their skills....

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)
Littlefoot and his friends return in another adventure. But this time, they aren't the smallest dinosaurs in the valley anymore.

The Land Before Time X: The Great Longneck Migration
2003
as Grandpa (voice)
A bedtime story leads Littlefoot and his grandparents on a journey to a new land, where Littlefoot discovers someone who vanished before he was born: ...

The Land Before Time IX: Journey to Big Water
2002
as Grandpa (voice)
Littlefoot befriends with a mysterious, fun-loving dolphin-like creature named Mo, who is trapped in "new water" caused by heavy rain. The gang then g...

The Making of 'The Producers'
2002
as Self
An hour-long making-of featurette which features interviews and anecdotes from the likes of Mel Brooks, Gene Wilder, Kenneth Mars, Lee "Ulla" Meredith...

The Land Before Time VIII: The Big Freeze
2001
as Grandpa / Lambeosaurus (voice)
When the dinosaur families get trapped in a valley by an ice storm, one family of "spike tail" dinosaurs volunteers to leave since they consume more f...

Teddy Bears' Picnic
2001
as Gene Molinari
In Harry Shearer's tongue-in-cheek comedy, a waiter at Zanbesu Glen (a chi-chi Northern California resort) uses his movie camera to spy on the annual ...

The Land Before Time VII: The Stone of Cold Fire
2000
as Grandpa (voice)
Littlefoot and his pals set off in search of a "stone of cold fire" that fell from the night sky. Since he's the only one who has seen it though, nobo...

How to Marry a Billionaire: A Christmas Tale
2000
as Buzz
Three broke men try to become rich by finding rich women.

Runaway Virus
2000
as Dr. Arnold Bowman
Two virus experts track down contagious people across the world. But it's only a matter of time before L.A. is exposed to the virus.

The Little Mermaid II: Return to the Sea
2000
as King Triton (voice)
Set several years after the first film, Ariel and Prince Eric are happily married with a daughter, Melody. In order to protect Melody from the Sea Wit...

The Land Before Time VI: The Secret of Saurus Rock
1998
as Grandpa (voice)
Legends claim that Saurus Rock keeps bad luck out of the Great Valley. Is it really true? Could the mysterious Longneck named Doc be the famous Lone D...

The Land Before Time V: The Mysterious Island
1997
as Grandpa (voice)
Littlefoot and his friends the gang in their next when a swarm of leaf gobblers had destroyed their homes and this forces them to find a new home but ...

Bruno the Kid: The Animated Movie
1997
as Professor Von Trapp (voice) (archive footage)
Bruno the Kid faces a trio of world-class villains, just as his mentor, Jarlsburg, decides to retire.

Citizen Ruth
1996
as Dr. Charlie Rollins
"Citizen Ruth" is the story of Ruth Stoops, a woman who nobody even noticed -- until she got pregnant. Now, everyone wants a piece of her. The film is...

The Land Before Time IV: Journey Through the Mists
1996
as Grandpa (voice)
When Littlefoot grandfather falls ill, The dinosaurs only way to cure him is a flower in the forbidding land of mist which hold unexpecting perils and...

Making Frankensense of Young Frankenstein
1996
as Inspector Kemp (archive footage)
Via reminiscences from writer/actor Gene Wilder and others, this documentary recalls the making of the 1974 film Young Frankenstein.

Rough Magic
1995
as Magician
In the 1950s, a pretty magician's apprentice travels to Mexico to escape her boyfriend, a wealthy politician, and to find a Mayan shaman who will teac...

The Land Before Time III: The Time of the Great Giving
1995
as Grandpa (voice)
When a sudden shortage of water threatens all life in the great valley, The gang of young dinosaur must cooperate with a group of bullies to make a ri...

The Land Before Time II: The Great Valley Adventure
1994
as Grandpa (voice)
This time, while building a hideaway in their new home of the Great Valley, Littlefoot and the gang rescue a mysterious egg from two scheming egg-napp...

Thumbelina
1994
as King Colbert (voice)
Born of a flower and growing to only a couple of inches tall, poor Thumbelina is worried she'll never meet someone her own size, until she happens to ...

We're Back! A Dinosaur's Story
1993
as Professor Screweyes (voice)
Captain New Eyes travels back in time and feeds dinosaurs his Brain Grain cereal, which makes them intelligent and non-violent. They agree to go to th...

Sex, Shock & Censorship in the 90's
1993
as Reverend Pete
Newswoman Fay Sommerfield takes a morally outraged look at excessive violence, bad language and sacrilege that pass for entertainment in the early 90s...

Shadows and Fog
1991
as Magician
With a serial strangler on the loose, a bookkeeper wanders around town searching for the vigilante group intent on catching the killer.
Mimi & Me
1991
as Uncle Al
Mimi, a free spirited girl out shopping, is given a mysterious box by a dying man, who instructs her not to give it to his killers. While being chased...

She'll Take Romance
1990
as Smokey
A TV reporter leads a search for the most romantic man in Seattle and finds one for herself.

Son of Dinosaurs
1989
The mysterious Dr. Lizardi entrusts Gary and Eric with a dinosaur egg. Now, they must find out everything they can about dinosaurs before the egg hat...

The Little Mermaid
1989
as King Triton (voice)
This colorful adventure tells the story of an impetuous mermaid princess named Ariel who falls in love with the very human Prince Eric and puts everyt...

Police Academy 6: City Under Siege
1989
as Mayor
Our favourite police men are called together to deal with a gang who rob banks and jewelers. Using their various talents as well as their extraordinar...

Get Smart, Again!
1989
as Cmdr. Drury
KAOS has invented a weather machine so Maxwell Smart and Agent 99 are called back into action to foil this evil plan.

Illegally Yours
1988
as Hal B. Keeler
Called up for jury duty, Richard Dice finds his first crush and only real, but unrequited love, on trial for murder. Richard desperately tries to prov...

Top Cat and the Beverly Hills Cats
1988
as Director / Dogcatcher (voice)
Beverly hills dowager leaves everything to Benny the Ball because her only rightful heir, her niece Amy, is missing. But that's only if Benny stays al...

For Keeps
1988
as Mr. Bobrucz
Young high school couple Darcy Elliot and Stan Bobrucz are one year from graduation, with promising futures ahead of them. But their paths take a dras...

Rented Lips
1987
as Reverend Farrell
A documentary filmmaker, who has spent the last 15 years making films like "Aluminum: Our Shiny Friend," is finally given the chance to make the docum...

Radio Days
1987
as Rabbi Baumel
The Narrator tells us how the radio influenced his childhood in the days before TV. In the New York City of the late 1930s to the New Year's Eve 1944,...

The Adventures of the American Rabbit
1986
as Vultor / Walt (voice)
To fight evil, a young rabbit can transform into a star spangled superhero.

Prince Jack
1985
as Lyndon Johnson
A dramatic look at the inner workings of the Kennedy administration.

Beer
1985
as A.J. Norbecker
An advertising firm, desperate to keep an account from a financially-ailing brewery, concocts a macho ad campaign centering on three losers who inadve...

Fletch
1985
as Stanton Boyd
When investigative reporter Irwin "Fletch" Fletcher goes undercover to write a piece on the drug trade at a local beach, he's approached by wealthy bu...

Protocol
1984
as Lou
A Washington waitress saves the Emir of Ohtar's life, launching her diplomatic career and a scandal.

Yellowbeard
1983
as Mr. Crisp
For years Yellowbeard had looted the Spanish Main, making men eat their lips and swallow their hearts. Caught and convicted for tax evasion, he's sent...

Group Madness
1983
as Self
A behind-the-scenes documentary of the making of 1983's Yellowbeard

The Rules of Marriage
1982
as Red Hewitt
A seemingly perfect marriage disintegrates, as both husband and wife become involved in a series of affairs.

Full Moon High
1981
as The Coach - Principal Cleveland
High-school quarterback Tony Walker is bitten by a werewolf and transforms into a growling beast that hungrily chases down beautiful girls.

Before and After
1979
as Ben Fryer
Patty Duke loses weight and discovers her husband has been cheating on her.

The Apple Dumpling Gang Rides Again
1979
as Woolly Bill Hitchcock
Amos and Theodore, the two bumbling outlaw wannabes from The Apple Dumpling Gang, are back and trying to make it on their own. This time, the crazy du...

You Can't Take it With You
1979
as Mr. Kolenkhov
Emmy winner Jean Stapleton and Academy Award winner Art Carney star in the Pulitzer Prize-winning comedy by George S. Kaufman and Moss Hart about a sl...

Goin' Coconuts
1978
as Kruse
The toothsome singing duo, Donny and Marie Osmond, head for Hawaii in this comedy. The trouble begins when Marie acquires a lovely necklace without re...

Night Moves
1975
as Nick
Private detective and former football player Harry Moseby gets hired on to what seems a standard missing person case - a former Hollywood actress want...

Someone I Touched
1975
as Paul Wrightwood
A woman learns that her husband has been unfaithful and that she has acquired a venereal disease. Then she learns that, after years of trying, she is ...

It's a Bird, It's a Plane, It's Superman!
1975
as Max Mencken
TV adaptation of the campy 1960s Broadway musical about the Man of Steel, his friends, his enemies, and his self-image problems.

Young Frankenstein
1974
as Inspector Kemp
A young neurosurgeon inherits the castle of his grandfather, the famous Dr. Victor von Frankenstein. In the castle he finds a funny hunchback, a prett...

The Parallax View
1974
as Former FBI Agent Will
An ambitious reporter gets in trouble while investigating a senator's assassination which leads to a vast conspiracy involving a multinational corpora...

Hello Mother, Goodbye!
1974
A successful engineer tires of his high-tension job and quits to start his own mail-order company, much to his mother's consternation.

Guess Who's Sleeping in My Bed?
1973
as Mitchell Bernard
A divorcee wakes up one morning to find her penniless ex-husband, his new wife and baby and their big dog camped out on her doorstep, looking for a pl...

Steambath
1973
as Broker
Tandy, Merideth and assorted others unexpectedly wake up in a steambath with no easy exit. After spending some time there, it becomes clear that the s...

What's Up, Doc?
1972
as Hugh Simon
The accidental mix-up of four identical plaid overnight bags leads to a series of increasingly wild and wacky situations.

Second Chance
1972
as Dr. Julius Roth
A rich stockbroker buys a Nevada ghost town as a community for people who need a second chance in life.

Screwball Comedies... Remember Them?
1972
as Self
A documentary about the making of Peter Bogdanovich's screwball comedy "What's Up Doc?" starring Barbra Streisand and Ryan O'Neal.

Desperate Characters
1971
as Otto Bentwood
Sophie and Otto Bentwood are a middle-aged, middle class, childless Brooklyn Heights couple trapped in a loveless marriage. He is an attorney, she a t...

Viva Max!
1969
as Dr. Sam Gillison
In order to prove his greatness to his unimpressed girlfriend, Mexican general Max takes a group of men across the border and recaptures the Alamo - i...

Butch Cassidy and the Sundance Kid
1969
as Marshal
As the west rapidly becomes civilized, a pair of outlaws in 1890s Wyoming find themselves pursued by a posse and decide to flee to South America in ho...

The April Fools
1969
as Les Hopkins
Newly-promoted if none too happily married Howard Brubaker leaves a rowdy company party early with the stunning Catherine, whom it turns out is hersel...

The Producers
1968
as Franz Liebkind
Broadway producer Max Bialystock and his accountant, Leo Bloom plan to make money by charming wealthy old biddies to invest in a production many times...

Act One
1963
as Robert E. Sherwood
This autobiographical story traces the career of playwright Moss Hart. Moss struggles as a dramatic writer until he concentrates his efforts on writin...