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