Bob McFadden

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

as Magistrate (voice)

as Cmdr. Stargazer / Steel Will / Hardware (voice)

as Tingler (voice)

as Snarf / Slithe (voice)

as Snarf (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 The beaver (voice)

as Chugs / Old Man (voice)

as Plato (voice)

as Jingle Bells (voice)

as Substation Operator / Councilmen / Handyman (voice)

as Voice

as Male characters (voice)

as Baron Henry von Frankenstein (voice)

as Jaspar (voice)

as Sad Cat

as (voice)

as Cool McCool (voice)

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

as Sir Blur/Grandpa Dragon (voice)

as George the Giant

as Milton the Monster (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 Sad Cat / Gadmouse / Fenimore / Latimore / Impressario / Narrator (voice)

as Lovable Truly / Rory Raccoon / So Hi (voice)

as Astro

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