Gears / Ratchet (voice) (archive footage)

Muttley (archive sound) (voice)

Scooby-Doo (voice) (archive footage)

Scooby-Doo (voice)

Scooby-Doo / Ghost (voice) (archive footage)

Scooby-Doo (voice) (archive footage)

Scooby-Doo (voice) (archive footage)

(voice) (archive footage)

Scooby-Doo (voice)

Scooby-Doo (voice)

Scooby-Doo (voice)

(archive footage)

Additional Voices (voice)

Scooby-Doo (voice) (archive footage)

Scooby-Doo / Professor Flakey (voice) (archive footage)

Scooby-Doo (voice) (archive footage) (uncredited)

Scooby-Doo (voice) (archive footage)

Scooby-Doo (voice)

Atom Ant (voice) (archive footage)

Scooby-Doo (voice) (archive footage)

Scooby-Doo / Additional Voices (voice)

Dr. Benton C. Quest

Hamton J. Pig / TV Executive (voice)

Bamm-Bamm Rubble / Joe Rockhead (voice)

Scooby Doo / Boo-Boo Bear (voice)

Boo Boo / Ranger Smith (voice)

Hamton J. Pig (voice)

Baby Bamm-Bamm/Lot Security Guard/Tour Bus Driver (voice)

Dr. Benton C. Quest / Bandit

(voice)

Droopy (voice)

Hamton J. Pig / Radio Announcer (voice)

Romtu (Voice)

Boo-Boo Bear (voice)

Astro (voice)

Papa Smurf (voice)

Papa Smurf (voice)

Scooby-Doo / Ranger Smith / Boo-Boo Bear / Muttley / Bamm-Bamm Rubble / Papa Smurf

Scooby-Doo / Scrappy-Doo (voice)

Scooby-Doo / Scrappy-Doo (voice)

Boo Boo / Ranger Smith (voice)

(voice)

Papa Smurf / Chitter (voice)

Boo Boo / Mumbly (voice)

Boo Boo / Ranger Smith

Astro / R.U.D.I / Mac / Announcer / Store Manager / Robot (voice)

Scooby-Doo / Scrappy-Doo (voice)

Scooby-Doo

Gears (voice)

Ratchet

Louie / Itchy (voice)

Blunderpuff / Elf (voice)

Papa Smurf (voice)

Scooby-Doo / Scrappy-Doo (voice)

Papa Smurf (voice)

Papa Smurf / Scooby-Doo / Scrappy-Doo (voice)

Papa Smurf / Azrael (voice)

(voice)

Papa Smurf / Azrael (voice)

Boo Boo Bear / Ranger Smith / Pixie (voice)

Papa Smurf / Azrael the Cat (voice)

The Cat (voice)

Giles of the Treetops / Lo Tae Zhao (voice)

Papa Smurf (Voice)

Announcer (voice)

Boo Boo / Ranger Smith / Herman the Hermit (voice)

Doctor / Fish #1 / Fish #2 / Parrot / Pigasaurus (voice)

Bamm-Bamm Rubble

King Theoden / Easterling / The Mouth of Sauron (voice)

Humboldt (voice)

Scooby-Doo (voice)

Boo Boo (voice)

Snip (voice)

(voice)

Igor (voice)

Sam Spangles (voice)

Abacus

Snorky / Scooby-Doo (voice)

Ed the Foreman / Otis (voice)

Roman Soldier (voice)

Balin/Troll #3/Goblin/Lord of the Eagles (voice)

Papa Bear / Rumpelstiltskin (voice)

Whiskers / Jonathan (voice)

(voice)

Peter / Thor / Turkey

Scooby-Doo (voice)

Jeffrey (voice)

Father (voice)

Wolf / Rabbit / Sparrow (voice)

Scooby-Doo (Voice)

Boo Boo / Pixie / Atom Ant / So-So / Moby Dick / Touche' Turtle (voice)

Pastry Cook / House Agent / Midget / Workman / Hero (voice)

Announcer at Circus Circus (uncredited)

The Wizard/Robbing Hood

Alarm (voice) (uncredited)

voice

Hans Van Ripper (voice)

Freddy the Flute / Googy Gopher / Orson Vulture (voice)

Harvey Kinkle (voice)

Sergeant Deux-Deux (voice)

Cat / Mice (voice) (uncredited)

Ali / Various Voices (voice)

Doormouse

Sergeant Deaux-Deaux (voice) (archive sound) (uncredited)

Little Pig #1 / Little Pig # 2

Boo-Boo / Ranger John Smith / Ranger Jones (voice)

Safari Hunter

Hunter / Desmond Dog

Boss / Rabbit / Police Sergeant

John Bear / Junior Bear

Farmer / Woofer

Robin Hood / Sheriff of Nottingdoing / Sheriff's Wife

Old MacDonald / Sheepdog / Sheep

Narrator / SSA Graduate / Sheepdog / Sheep

Woody

Sheepdog / Farmer / Sheep

Eddie / Farmer Smith

Sheepdog / Sheep

Rabbits / Bear

Turtle / Buzzard / Wolf Hunter

Dog / Chicken

John Bear / Junior Bear (voice)

Musketeers / Duke (voice)

Watchdog (voice)

Sheepdog (voice)

Boo Boo / Ranger Smith (voice)

Hunter / Dog (voice)

Mouse / Cat (voice)

Zookeeper / Gorilla / Storekeeper (voice)

1st Bird / Jack / Chick (voice)

Car Owner / Dr. Jekyll (voice)

Space Probe Administrator / Scuba Diver (voice)

The Prince (voice)

Zoo Guide / Zoo Visitor / Baby / Hunter / Chipmunk (voice)

Rabbit / Magic Mirror / Dwarfs / Prince Charming (voice)

Stork / Baby Gorilla / Driver (voice)

Bad Wolf #2 / Hansel (voice)

Customer / Burglar (voice)

Little Wolf (voice)

Pig #1 (voice) (uncredited)

Narrator - Pressure Cooker Blackout (voice) (uncredited)