character - Bix Karew

character - Additional Voices (voice)

character - Brian Linder

character - (voice)

character - Papa

character - Chief Bates

character - Meteor Bert

character - Dr. Rashad (voice)

character - Bob

character - (voice)

character - Pig (voice)

character - Pratt

character - Chihuahua (voice)

character - Father Pig / Richard the Rooster (voice)

character - Megellenic 2 (voice)

character - Controller Vrelk

character - Prospector Eddie

character - Drunk

character - H.G. Wells

character - Leck

character - A-1

character - Dr. Skutnik

character - Gizmoduck (voice)

character - Seymore (voice)

character - Whistlestop Jackson (voice)

character - Babyface Half Nelson / Police Officer

character - Tom's Grandfather (voice)

character - Store Clerk

character - Mr. Gruber

character - Additional Voices (voice)

character - Shorty

character - Gizmo-Duck / Fenton Crackshell (voice)

character - Mountie (voice)

character - Chief Beetlebreath (voice)

character - (voice)

character - Ridgefield

character - Mr. X

character - Dracula (voice)

character - Phantom Father (voice)

character - Barney Rubble

character - Mayor of 52nd Street

character - (voice)

character - Weesel (voice)

character - Greedy Smurf (voice)

character - Li'l Brother Bear (voice)

character - Turk Tarpit (voice)

character - Ghostly Laugh (uncredited voice)

character - Self

character - Fenton Crackshell (voice)

character - Overlord Bulovan / Director (voice)

character - Grand Kishke (voice)

character - Barney Rubble

character - Jerry Campbell

character - Undercrawl

character - Nicky Richards

character - (segment "The Little People of Killany Woods")

character - Undercrawl

character - King Jean-Claude (voice)

character - Dr. Brickman

character - Joe

character - Gibbons

character - Gus Sosnowski

character - Matches

character - Hershey

character - Greedy Smurf / Harmony Smurf (voice)

character - Harmony / Greedy Smurf (voice)

character - Regis Seydor

character - Professor Bob

character - Greensleeves (voice)

character - Sheriff

character - Various

character - (voice)

character - Harry Green

character - (voice)

character - Martin Gallagher

character - Feodor

character - Steve

character - John Peck

character - Greedy Smurf (Voice)

character - Greedy Smurf (voice)

character - Hauptman

character - Mr. Lipschitz

character - Buggoms

character - (voice)

character - Mr. Peabody

character - Elle (voice)

character - Del Murdock

character - Buddy Gravers

character - Bentley

character - Misha

character - Louie Morgan

character - Bart Furley

character - Blacker

character - Frankenheimer

character - Self

character - Mr. Fowler

character - Marvin Glassmire

character - Andrew Hummell

character - Thorpe

character - Self

character - Lt. Winters

character - Jeff Nelson

character - Turk Tarpit (voice)

character - Additional Voices (voice)

character - Organ Grinder (uncredited)

character - Roger Ingoldsby

character - Messenger Boy (uncredited)

character - William Bennett (uncredited)

character - Bully

character - Shoeshine Boy

character - Tommy Howard