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