As of July 2026, Kenneth Mars is best known for Malcolm in the Middle and Simon & Simon. Find every show and movie Kenneth Mars has starred in — and where to watch them — below.
Kenneth Mars

Kenneth Mars

Actor Born 1935 Chicago, Illinois, USA 12 TV Shows 8 Movies

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 boss and a German immigrant who owns a dude ranch. He voiced King Triton, Ariel's father, in the 1989 Disney animated film The Little Mermaid and its sequel, as well as its companion television series, and the Kingdom Hearts series. He also did several other animated voice-over film roles such as Littlefoot's grandfather in the Land Before Time series (up to 2008) and that of Professor Screweyes in We're Back! A Dinosaur's Story (1993), and King Colbert (Prince Cornelius's father) in Thumbelina (1994).

Description above from the Wikipedia article Kenneth Mars, licensed under CC-BY-SA, full list of contributors on Wikipedia.

Kenneth Mars has built a filmography of 20 credits over a career spanning from 1968 to 2000.

Kenneth Mars's most notable role to date came in The Little Mermaid (1989), where he played Triton (voice). He also appeared in Malcolm in the Middle (2000) as Otto Mannkusser. Most recently appeared in Young Frankenstein (1974) as Inspector Kemp.

Fans wanting to catch up on Kenneth Mars's work can find exactly where his shows and movies are streaming below — and TV Butler Pro makes it effortless to keep track of them all. Just search the title, and Butler finds it instantly, tells you which service has it, and remembers what you've already watched.

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📺 Kenneth Mars's TV Shows

Malcolm in the Middle
Otto Mannkusser
2000
Simon & Simon
1981
Darkwing Duck
1991
Magnum, P.I.
Joseph
1980
Will & Grace
Uncle Sid
1998
Alice
1976
The Pretender
Benny
1996
Becker
Melvin
1998
The Flintstone Comedy Show
Lou Granite
1980
Weird Science
1994
Hardcastle and McCormick
1983
The Little Mermaid
King Triton (voice)
1992

🎬 Kenneth Mars's Movies

The Little Mermaid
Triton (voice)
1989
Butch Cassidy and the Sundance Kid
Marshal
1969
Young Frankenstein
Inspector Kemp
1974
Thumbelina
King Colbert (voice)
1994
Rough Magic
Magician
1995
The April Fools
Les Hopkins
1969
The Producers
Franz Liebkind
1968
The Parallax View
Former FBI Agent Will
1974

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