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

Lovable Truly / Rory Raccoon / So Hi (voice)

Astro

Milton the Monster (voice)

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

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

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

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

Cool McCool (voice)

George the Giant

Sad Cat / Gadmouse / Fenimore / Latimore (voice)

Sir Blur/Grandpa Dragon (voice)

Humpty Dumpty/Zig Zag/Paddy Cake/Old King Cole (voice)

Super Basher/Bop/Pinrod/Police Officer/Robber/Citizen (voice, uncredited)

Cat (voice)

Sad Cat

Male characters (voice)

Jaspar (voice)

Baron Henry von Frankenstein (voice)

Voice

Jingle Bells (voice)

Substation Operator / Councilmen / Handyman (voice)

Plato (voice)

Chugs / Old Man (voice)

The beaver (voice)

Donner (voice)

Kostya, the Russian Gnome (voice)

Cricket (voice)

Howland Owl / Bothered Bat (voice)

Lord of the Leprechauns (voice)

Boss Bunny

Sir Orrin Neville-Smythe (voice)

Magistrate (voice)

(voice)

Snarf / Slithe (voice)

Tingler (voice)

Snarf (voice)

Cmdr. Stargazer / Steel Will / Hardware (voice)

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