AllMovie

The Adventures of the American Rabbit
Actor, Rodney / Penguin 3 / Rotten Rodney (voice)

Gremlins
Actor, Gremlins (voice) / Mogwai

Flash Gordon: the Greatest Adventure of All
Actor, Zarkov ( voice ) / Dr. Zarkov

The Grinch Grinches the Cat in the Hat
Actor, The Grinch / Waiter / The Grinch's Mother

Strawberry Shortcake in Big Apple City
Actor, Coco Nutwork (voice)

The Kentucky Fried Movie
Actor, Voice Overs

The Mouse and His Child
Actor, Muskrat (voice)

Wizards
Actor, Avatar (voice) / Avatar

M-o-n-e-y Spells Love
Actor, Dogfather / Pug / Rocky / Priest (voice)

The Day of the Locust
Actor, Tour Guide

The Hoober-Bloob Highway
Actor, Mr. Hoober-Bloob (voice)

Abby
Actor, The Demon (voice)

Deviled Yeggs
Actor, Dogfather / Pug (voice)

Oliver Twist
(voice) (as Robert Holt) / (voice), Actor

Pinocchio
Actor, Fire Eater

The Nine Lives of Fritz the Cat
Actor, Many voices / Various Voices

B.C.: The First Thanksgiving
Actor, Wiley / Grog

Charlotte's Web
Actor, Homer Zuckerman / Homer Zuckerman (voice)

Dr. Seuss on the Loose
Actor, Sylvester McMonkey McBean (voice) / Sneetches

Stirrups and Hiccups
Actor, Hoot Kloot / Fester / Mild-Bill Hiccup / Wild-Bill Hiccup / Wyatt Earp (voice)

The Bear Who Slept Through Christmas
Actor, Santa Claus (voice)

Support Your Local Serpent
Actor, Blue Racer / Japanese Beetle / Venus Flytrap / Jake (voice)

The Lorax
Actor, The Lorax / The Once-ler (voice)

Bedknobs and Broomsticks
Actor, Codfish (voice)

Uncle Sam Magoo
Actor, Chief Strong Eagle / Indian Chief / John Smith / Chief Powhatan / Indian Chief 2 / Kit Carson / Paul Bunyan

The St. Louis Bank Robbery
Actor, Police Dispatcher

Julius Caesar
Actor, Octavius Caesar