1987ThunderCats Ho! – The Movie— Lynx-O / Snarf / Slythe / Grune the Destroyer / Ratar-O / Captain Shiner / Topspinner (voice) (as Robert McFadden)
1986SilverHawks: The Origin Story
1985ThunderCats: Exodus— Snarf (voice)
1985The Life and Adventures of Santa Claus— Tingler (voice)
1983The Wind in the Willows— Magistrate (voice)
1983The Coneheads— (voice)
1982Ejderhaların Uçuşu— Sir Orrin Neville-Smythe (voice)
1981The Leprechauns' Christmas Gold— Lord of the Leprechauns (voice)
1981The Berenstain Bears' Easter Surprise— Boss Bunny
1980Pinocchio's Christmas— Cricket (voice)
1980Gnomes— Kostya, the Russian Gnome (voice)
1980I Go Pogo— Howland Owl / Bothered Bat (voice)
1977The Easter Bunny Is Comin' to Town— Chugs / Old Man (voice)
1977The Fourth King— The beaver (voice)
1976The Little Drummer Boy: Book II— Plato (voice)
1974Noelden Önceki Geceydi— Substation Operator / Councilmen / Handyman (voice)
1974The Year Without a Santa Claus— Jingle Bells (voice)
1974Jungle Jack
1973Who’s Dragon
1972Popeye Meets the Man Who Hated Laughter— Male characters (voice)
1972The Emperor's New Clothes— Jaspar (voice)
1972The Red Baron— Voice
1972The Mad, Mad, Mad Monsters— Baron Henry von Frankenstein (voice)
1969Scientific Sideshow— Oscar (voice)
1969Balloon Snatcher— Oscar (voice)
1968Big Game Fishing— Sad Cat
1968Loops and Swoops— Sad Cat
1968The Abominable Mountaineers
1967Robin Hoodwinked— King / Poor Man
1967The Wacky World of Mother Goose— Humpty Dumpty/Zig Zag/Paddy Cake/Old King Cole (voice)
1967The Squaw Path— Geronimo/Say-Ah the Medicine Man/Foback/Big Yawn (voice)
1967Mouse Trek— Cat (voice)
1967The Fuz— Super Basher/Bop/Pinrod/Police Officer/Robber/Citizen (voice, uncredited)
1966Gems From Gemini
1966Scuba Duba Do— Sad Cat / Gadmouse / Fenimore / Latimore (voice)
1966A Balmy Knight— Sir Blur/Grandpa Dragon (voice)
1966Haunted Housecleaning
1966The Defiant Giant— George the Giant
1965The Third Musketeer— Sad Cat / Gadmouse / Fenimore / Latimore / Narrator (voice)
1965Don't Spill the Beans— Sad Cat / Gadmouse / Fenimore / Latimore / Narrator (voice)
1965Dress Reversal— Sad Cat / Gadmouse / Fenimore / Latimore / Narrator (voice)
1965Horning In— King Artie (voice)
1965The Invisibeam
1965Gadmouse: The Apprentice Good Fairy— Sad Cat / Gadmouse / Fenimore / Latimore / Impressario / Narrator (voice)
1965The Story of George Washington— George Washington / George's Father / Cowboy/ Carrier Man (uncredited)
1965A Leak in the Dike— Little Dutch Boy's Mother / Schoolteacher / Farmer / Peter Stuyvesant / American Indian (voice) (uncredited)
1964Adventure By the Sea— Luno / Tim
1964Roc-a-Bye Sinbad
1964King Rounder
1963The Missing Genie
1963Trouble in Baghdad
1963The Sheepish Wolf— Wolf / Sheriff / Sheep (uncredited)
1963Tell Me a Badtime Story— Nasty / Explorer Ponce de Leon / Captain John Smith
1963Muggy-Doo Boy Cat
1963Hound for Pound— Dog / Dog Catcher / Man / Officer Mardoon / Police Officer Leader / Space Guy (uncredited)
82 
82 
71 
67 
64 
67 
78 
66 
57 
65 
53 
61 