
Acting
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…

The Little Mermaid Live!
as King Triton (archive footage) (voice)

The Last Laugh
as Self

The Land Before Time XII: The Great Day of the Flyers
as Grandpa / Parasaurlophus (voice)

The Land Before Time: 2 DinoRiffic Adventures
as Grandpa Longneck

The Land Before Time XI: Invasion of the Tinysauruses
as Grandpa (voice)

Disney Heroes Volume 1
as Old Gorilla (voice)

The Land Before Time X: The Great Longneck Migration
as Grandpa (voice)

The Land Before Time IX: Journey to Big Water
as Grandpa (voice)

The Making of 'The Producers'
as Self

The Land Before Time VIII: The Big Freeze
as Grandpa / Lambeosaurus (voice)

The Land Before Time
as Grandpa Longneck (voice) · 1 ep.

Hannah Montana
as Gunther · 1 ep.

Oliver Beene
as Carl the Super · 1 ep.

Good Morning, Miami
as Marty · 1 ep.

The Legend of Tarzan
as Old Gorilla (voice) · 1 ep.

Malcolm in the Middle
as Otto Mannkusser · 27 ep.

Will & Grace
as Uncle Sid · 2 ep.

Becker
as Melvin · 3 ep.

L.A. Doctors
as Bill · 1 ep.

Godzilla: The Series
1 ep.
The Producers
1968