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