as

Lynx-O / Snarf / Slythe / Grune the Destroyer / Ratar-O / Captain Shiner / Topspinner (voice) (as Robert McFadden)

as

Cmdr. Stargazer / Steel Will / Hardware (voice)

as

Snarf (voice)

as

Tingler (voice)

as

Snarf / Slithe (voice)

as

Magistrate (voice)

as

(voice)

as

Sir Orrin Neville-Smythe (voice)

as

Lord of the Leprechauns (voice)

as

Boss Bunny

as

Cricket (voice)

as

Kostya, the Russian Gnome (voice)

as

Howland Owl / Bothered Bat (voice)

as

Donner (voice)

as

Chugs / Old Man (voice)

as

The beaver (voice)

as

Plato (voice)

as

Substation Operator / Councilmen / Handyman (voice)

as

Jingle Bells (voice)

as

Male characters (voice)

as

Jaspar (voice)

as

Voice

as

Baron Henry von Frankenstein (voice)

as

Oscar (voice)

as

Oscar (voice)

as

Sad Cat

as

Sad Cat

as

King / Poor Man

as

(voice)

as

Geronimo/Say-Ah the Medicine Man/Foback/Big Yawn (voice)

as

Sad Cat / Gadmouse / Fenimore / Latimore (voice)

as

Sir Blur/Grandpa Dragon (voice)

as

George the Giant

as

Cool McCool (voice)

as

Sad Cat / Gadmouse / Fenimore / Latimore / Narrator (voice)

as

Sad Cat / Gadmouse / Fenimore / Latimore / Narrator (voice)

as

Sad Cat / Gadmouse / Fenimore / Latimore / Narrator (voice)

as

King Artie (voice)

as

Sad Cat / Gadmouse / Fenimore / Latimore / Impressario / Narrator (voice)

as

George Washington / George's Father / Cowboy/ Carrier Man (uncredited)

as

Little Dutch Boy's Mother / Schoolteacher / Farmer / Peter Stuyvesant / American Indian (voice) (uncredited)

as

Milton the Monster (voice)

as

Luno / Tim

as

Lovable Truly / Rory Raccoon / So Hi (voice)

as

Astro

as

Wolf / Sheriff / Sheep (uncredited)

as

Nasty / Explorer Ponce de Leon / Captain John Smith

as

Dog / Dog Catcher / Man / Officer Mardoon / Police Officer Leader / Space Guy (uncredited)