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