Robert John Holthaus (December 28, 1928 – August 2, 1985), better known as Bob Holt, was an American actor, best known for his voice work.
Holt's first film role came in 1950, acting as Octavius Caesar in Julius Caesar. His career as a voice artist began with the 1968 short film Johnny Learns His Manners, for which he provided all of the voices. He later appeared in such works as Bedknobs and Broomsticks, several animated television specials wit...
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Flash Gordon: The Greatest Adventure of All
As Dr. Hans Zarkov (voice)
The Mouse and His Child
As Muskrat (voice)
Charlotte's Web
As Homer Zuckerman (voice)
The Lorax
As The Lorax / The Once-ler (voice)
Wizards
As Avatar (voice)
The Grinch Grinches the Cat in the Hat
As The Grinch / Waiter / The Grinch's Mother
The Wizard of Id
Uncle Sam Magoo
As Chief Strong Eagle
In Search of Dr. Seuss
As (voice) (archive footage) (uncredited)
Dennis the Menace in Mayday for Mother
As Henry Mitchell (voice)
The Bear Who Slept Through Christmas
As Santa Claus (voice)
The Great St. Louis Bank Robbery
As Police Dispatcher
B.C.: The First Thanksgiving
As Wiley / Grog
Clerow Wilson and the Miracle of P.S. 14
As Announcer / Mr. Perkins (voice)
Oliver Twist
As (voice)
Peter and the Magic Egg
As (voice)
The Dogfather
As Dogfather (voice)
The Goose That Laid a Golden Egg
As Dogfather / Pug (voice)
Heist and Seek
As Dogfather / Pug / Translator (voice)
The Big House Ain't a Home
As Dogfather / Pug (voice)
Mother Dogfather
As Dogfather / Pug (voice)
Bows and Errors
As Dogfather (voice)
Deviled Yeggs
As Dogfather / Pug (voice)
Watch the Birdie
As Dogfather / Pug (voice)
Saltwater Tuffy
As Dogfather / Pugg (voice)
M-O-N-E-Y Spells Love
As Dogfather / Pug / Rocky / Priest (voice)
Haunting Dog
As Dogfather (voice)
Eagle Beagles
As Dogfather (voice)
From Nags to Riches
As Dogfather / Pug (voice)
Goldilox & the Three Hoods
As Dogfather (voice)
Rockhounds
As Dogfather / Pug / Boy (voice)
Medicur
As Dogfather / Rocky McSnarl / Doctor (voice)
Rock-A-Bye Maybe
As Dogfather (voice)
Flight to the Finish
As Crazylegs Crane (voice)
Support Your Local Serpent
As Blue Racer / Japanese Beetle / Venus Flytrap / Jake (voice)
Wham and Eggs
As Dragon (voice)
Kloot's Kounty
As Hoot Kloot / Fester (voice)
Apache on the County Seat
As Hoot Kloot / Fester / Indians (voice)
The Shoe Must Go On
As Hoot Kloot / Fester (voice)
A Self-Winding Sidewinder
As Hoot Kloot / Fester / Crazywolf / Townspeople (voice)
Pay Your Buffalo Bill
As Hoot Kloot / Fester (voice)
Stirrups and Hiccups
As Hoot Kloot / Fester / Mild-Bill Hiccup / Wild-Bill Hiccup / Wyatt Earp (voice)
Ten Miles to the Gallop
As Hoot Kloot / Fester (voice)
Phony Express
As Hoot Kloot / Fester / Mailman / Thief / Horse / Postmaster (voice)
Giddy Up Woe
As Hoot Kloot / Fester / Robber / Alf Willett (voice)
Gold Struck
As Hoot Kloot / Fester (voice)
As the Tumbleweed Turns
As Hoot Kloot / Fester / Railroad President (voice)
The Badge and the Beautiful
As Hoot Kloot / Fester (voice)
Big Beef at the O.K. Corral
As Hoot Kloot / Fester (voice)
By Hoot or By Crook
As Hoot Kloot / Fester (voice)
Strange on the Range
As Hoot Kloot / Fester / Billy the Kidder (voice)
Mesa Trouble
As Hoot Kloot / Fester / Townspeople (voice)
Saddle Soap Opera
As Hoot Kloot / Fester (voice)
The Adventures of the American Rabbit
As Rotten Rodney (voice)
The Nine Lives of Fritz the Cat
As Various Voices
Dr. Seuss on the Loose
As Sneetches / Sylvester McMonkey McBean (voice)
The Hoober-Bloob Highway
As Mr. Hoober-Bloob (voice)
Bedknobs and Broomsticks
As Codfish (voice)
Strawberry Shortcake in Big Apple City
As Coco Nutwork (voice)
The Day of the Locust
As Tour Guide
Puff the Magic Dragon: The Incredible Mr. Nobody
As Father
Abby
As The Demon (voice)
Gremlins
As Mogwai / Gremlins (voice)
Lucky Luke - La Caravane
As Averell Dalton (Engelsk)
Dungeons & Dragons
As Shadow Demon
Challenge of the GoBots
Scooby's All-Stars
The Scooby-Doo/Dynomutt Hour
As Additional Voices (voice)
Disney's Adventures of the Gummi Bears
As Dom Gordo of Ghent
Snorks
As Mr. Seaworthy
The Biskitts
New Zoo Revue
The Great Grape Ape Show
Hong Kong Phooey
The Incredible Hulk
Challenge of the Super Friends
Bailey's Comets
The New Adventures of Flash Gordon
The Oddball Couple
The Dogfather
As Dogfather (voice)
Doctor Dolittle
As Dr. John Dolittle (voice)
Sheriff Hoot Kloot
Love, American Style
As Williams (voice)