as Announcer at Circus Circus (uncredited)
as Muttley (archive sound) (voice)
as Scooby-Doo / Scrappy-Doo (voice)
as Gears (voice)
as Balin/Troll #3/Goblin/Lord of the Eagles (voice)
as Droopy (voice)
as Hamton J. Pig / Radio Announcer (voice)
as Gears / Ratchet (voice) (archive footage)
as Giles of the Treetops / Lo Tae Zhao (voice)
as (voice)
as The Cat (voice)
as Hamton J. Pig (voice)
as Hamton J. Pig / TV Executive (voice)
as Scooby-Doo (voice)
as Astro / R.U.D.I / Mac / Announcer / Store Manager / Robot (voice)
as Jeffrey (voice)
as Alarm (voice) (uncredited)
as Baby Bamm-Bamm/Lot Security Guard/Tour Bus Driver (voice)
as Ed the Foreman / Otis (voice)
as Scooby-Doo / Ranger Smith / Boo-Boo Bear / Muttley / Bamm-Bamm Rubble / Papa Smurf
as (archive footage)
as Blunderpuff / Elf (voice)
as Boo Boo / Ranger Smith / Herman the Hermit (voice)
as Boo-Boo / Ranger John Smith / Ranger Jones (voice)
as Scooby-Doo / Professor Flakey (voice) (archive footage)
as King Theoden / Easterling / The Mouth of Sauron (voice)
as Scooby-Doo (voice) (archive footage)
as Bamm-Bamm Rubble / Joe Rockhead (voice)
as Pastry Cook / House Agent / Midget / Workman / Hero (voice)
as Louie / Itchy (voice)
as Scooby-Doo / Ghost (voice) (archive footage)
as Additional Voices (voice)
as Papa Smurf (voice)
as Scooby Doo / Boo-Boo Bear (voice)
as Igor (voice)
as Papa Smurf / Azrael the Cat (voice)
as Ali / Various Voices (voice)
as Doormouse
as Boo Boo / Ranger Smith (voice)
as Papa Bear / Rumpelstiltskin (voice)
as Doctor / Fish #1 / Fish #2 / Parrot / Pigasaurus (voice)
as Dr. Benton C. Quest / Bandit
as Dr. Benton C. Quest
as Papa Smurf / Chitter (voice)
as Sam Spangles (voice)
as Cat / Mice (voice) (uncredited)
as Bamm-Bamm Rubble
as Romtu (Voice)
as Boo Boo / Ranger Smith
as Sergeant Deaux-Deaux (voice) (archive sound) (uncredited)
as Astro (voice)
as Boo Boo Bear / Ranger Smith / Pixie (voice)
as Scooby-Doo (Voice)
as Freddy the Flute / Googy Gopher / Orson Vulture (voice)
as Papa Smurf / Azrael (voice)
as Roman Soldier (voice)
as Boo Boo (voice)
as Ratchet
as Zoo Guide / Zoo Visitor / Baby / Hunter / Chipmunk (voice)
as Snorky / Scooby-Doo (voice)
as Scooby-Doo / Additional Voices (voice)
as Snip (voice)
as Boo Boo / Mumbly (voice)
as Wolf / Rabbit / Sparrow (voice)
as Boo Boo / Pixie / Atom Ant / So-So / Moby Dick / Touche' Turtle (voice)
as Papa Smurf (Voice)
as Pig #1 (voice) (uncredited)
as Father (voice)
as Sheepdog / Farmer / Sheep
as Harvey Kinkle (voice)
as Announcer (voice)
as Whiskers / Jonathan (voice)
as (voice) (archive footage)
as Humboldt (voice)
as Papa Smurf / Scooby-Doo / Scrappy-Doo (voice)
as Zookeeper / Gorilla / Storekeeper (voice)
as Narrator - Pressure Cooker Blackout (voice) (uncredited)
as The Wizard/Robbing Hood
as Hunter / Desmond Dog
as Hunter / Dog (voice)
as Musketeers / Duke (voice)
as Space Probe Administrator / Scuba Diver (voice)
as Woody
as Turtle / Buzzard / Wolf Hunter
as John Bear / Junior Bear (voice)
as Watchdog (voice)
as Little Wolf (voice)
as 1st Bird / Jack / Chick (voice)
as Stork / Baby Gorilla / Driver (voice)
as Hans Van Ripper (voice)
as Narrator / SSA Graduate / Sheepdog / Sheep
as Rabbits / Bear
as Eddie / Farmer Smith
as Customer / Burglar (voice)
as Bad Wolf #2 / Hansel (voice)
as Sheepdog (voice)
as Rabbit / Magic Mirror / Dwarfs / Prince Charming (voice)
as The Prince (voice)
as Dog / Chicken
as Little Pig #1 / Little Pig # 2
as Farmer / Woofer
as Peter / Thor / Turkey
as Old MacDonald / Sheepdog / Sheep
as Robin Hood / Sheriff of Nottingdoing / Sheriff's Wife
as John Bear / Junior Bear
as Scooby-Doo
as Sergeant Deux-Deux (voice)
as Car Owner / Dr. Jekyll (voice)
as Boss / Rabbit / Police Sergeant
as Safari Hunter
as Mouse / Cat (voice)
as Sheepdog / Sheep
as voice
as Atom Ant (voice) (archive footage)
as Arnold (voice)
as Bank Teller (voice)
as Arnold / Doctor (voice)
as Bamm-Bamm Rubble (voice)
as Guy #2 / Emcee (voice)
as Robby / Alvin / 1st Photographer / Kid / Driver (voice)
as Stoneface (voice)
as Diner (voice)
as Sherman / Charney (voice)
as Arnold / Senior / Professor / Bronto / Bill (voice)
as Boo-Boo (voice)
as Junior (voice)
as Skinny / Bellhop / Cop / Ump / Catcher / Fan #1 (voice)
as Mr. Brickley (voice)
as Stoneheart / TV Announcer / Boy (voice)
as Kid / Co-Pilot (voice)
as Bamm-Bamm Rubble / Bird / Judge (voice)
as Dr. Boulder Dome (voice)
as Hot Dog Vendor / Doorman (voice)
as Bamm-Bamm Rubble / Arnold / News Reader (voice)
as Bamm-Bamm Rubble / Harvey (voice)
as Bamm-Bamm Rubble / Arnold / Rabbit (voice)
as Bamm-Bamm Rubble / Arnold (voice)
as Photographer (voice)
as Bamm-Bamm Rubble / Hoppy (voice)
as Bamm-Bamm Rubble / Hoppy / Turtle / Cat / Barking (voice)
as Bamm-Bamm Rubble / Hoppy / TV Announcer / Elf #2 (voice)
as Bamm-Bamm Rubble / Hoppy / Oscar (voice)
as Bamm-Bamm / Telegram Delivery Boy / Hoppy (voice)
as Bamm-Bamm Rubble / Mr. Rockroll (voice)
as Bamm-Bamm Rubble / Hoppy / Sam
as Boo Boo Bear / Ranger Smith (voice)
as Scarecrow (voice)
as Boo Boo Bear / Pixie (voice)
as Schleprock
as Astro / Gloop / Gleep (voice)
as Dr. Quest / Bandit (voice)
as Announcer / Boo Boo Bear / Scooby-Doo / Mr. Creeply (voice)
as Sparerib/ Nobody/ Mr. Post/ Mr. Snyder
as Ratchet / Gears / Scavenger
as Carl Andrews (voice)
as Pixie
as Hampton J. Pig (voice)
as Ruff (voice)
as Bleep (voice)
as Scrooge's Father (voice)
as Dr. Vernon Danger
as Sebastian the Cat (voice)
as Muttley / Klunk / Zilly (voice)
as Atom Ant (voice)
as Precious Pupp / Shag Rugg (voice)
as Falcon 7 / Vapor Man (voice)
as Blip / Zorak (voice)
as Wally Wooster
as Boo (voice)
as Scrambles/Fishtail (voice)
as So-So
as Bad Luck Schleprock
as Q*Dactyl (voice)
as Gravel Slag (voice)
as Aramis / King Louis XIV
as Harvey Kinkle / Chilli Dog (voice)
as Chilli Dog (voice)
as Harvey Kinkle / Chilli Dog / Spencer (voice)
as Spencer / Chilli Dog (voice)
as Harvey Kinkle / Spencer (voice)
as Harvey Kinkle / Spencer / Chilli Dog (voice)
as Various (voice)
as Beau / Narrator / Baseball Announcer / J.C. Crowflies
as Boarding Representative / Crook / Policeman / Passenger / Sailor
as Gloop / Gleep
as Muttley (voice)
as Hoppy / Bumbler
as Sancho Panda (voice)
as Ricochet Rabbit
as Spot
as Godzooky
as Mumbly (voice)
as Kaboobie
as Boo Boo / Pixie / Muttley / Lucky the cat (voice)
as Astro
as Clyde (voice)
as Countdown
as Crunch (Voice) / Commander Rondu (Voice)
as Narrator
as Professor Carter (voice)
as Rawhide Clyde (voice)
as Scooby-Doo, Scrappy-Doo
as Blip, Zorak (Voice)
