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

character - Cmdr. Stargazer / Steel Will / Hardware (voice)

character - Tingler (voice)

character - Snarf / Slithe (voice)

character - Snarf (voice)

character - Magistrate (voice)

character - (voice)

character - Sir Orrin Neville-Smythe (voice)

character - Lord of the Leprechauns (voice)

character - Boss Bunny

character - Cricket (voice)

character - Kostya, the Russian Gnome (voice)

character - Howland Owl / Bothered Bat (voice)

character - Donner (voice)

character - The beaver (voice)

character - Chugs / Old Man (voice)

character - Plato (voice)

character - Jingle Bells (voice)

character - Substation Operator / Councilmen / Handyman (voice)

character - Voice

character - Male characters (voice)

character - Baron Henry von Frankenstein (voice)

character - Jaspar (voice)

character - Oscar (voice)

character - Oscar (voice)

character - Sad Cat

character - Sad Cat

character - (voice)

character - King / Poor Man

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

character - Cool McCool (voice)

character - Sad Cat / Gadmouse / Fenimore / Latimore (voice)

character - Sir Blur/Grandpa Dragon (voice)

character - George the Giant

character - Milton the Monster (voice)

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

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

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

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

character - King Artie (voice)

character - Lovable Truly / Rory Raccoon / So Hi (voice)

character - Luno / Tim

character - Astro

character - Wolf / Sheriff / Sheep (uncredited)

character - Nasty / Explorer Ponce de Leon / Captain John Smith