Don Messick

as Announcer at Circus Circus (uncredited)

as Muttley (archive sound) (voice)

as (voice)

as Arnold (voice)

Role: In Memory Of

as Scooby-Doo (voice)

as Alarm (voice) (uncredited)

as Scrooge's Father (voice)

as Gears (voice)

as Droopy (voice)

as The Cat (voice)

as Papa Smurf (voice)

as Hampton J. Pig (voice)

as Astro (voice)

as Jeffrey (voice)

as Balin/Troll #3/Goblin/Lord of the Eagles (voice)

as Beau / Narrator / Baseball Announcer / J.C. Crowflies

as Scooby-Doo / Scrappy-Doo (voice)

as Scooby-Doo (voice)

as Scooby-Doo / Scrappy-Doo (voice)

as Walt Fleischman (voice)

as Scooby-Doo (voice)

as Scooby-Doo / Scrappy-Doo (voice)

as Scooby-Doo (voice)

as Boo Boo Bear / Ranger Smith (voice)

as Gravel Slag (voice)

as Scooby-Doo (voice)

as King Theoden / Easterling / The Mouth of Sauron (voice)

as Astro (voice)

as Atom Ant (voice)

as Dr. Vernon Danger (voice)

as Scooby-Doo / Additional Voices (voice)

as Scooby Doo / Boo-Boo Bear (voice)

as Astro / R.U.D.I / Mac / Announcer / Store Manager / Robot (voice)

as Scarecrow (voice)

as Bamm-Bamm Rubble / Joe Rockhead (voice)

as Scooby-Doo (voice)

as Scooby-Doo / Scrappy-Doo (voice)

as Boo Boo Bear / Pixie (voice)

as Droopy (voice)

as Scooby-Doo / Professor Flakey (voice) (archive footage)

as Announcer / Boo Boo Bear / Scooby-Doo / Mr. Creeply (voice)

as Giles of the Treetops / Lo Tae Zhao (voice)

as Papa Bear / Rumpelstiltskin (voice)

as Scooby-Doo / Scrappy-Doo (voice)

as Snip (voice)

as Hamton J. Pig / Radio Announcer (voice)

as Muttley / Klunk / Zilly (voice)

as Dr. Quest / Bandit (voice)

as Sam Spangles (voice)

as Spot

as Falcon 7 / Vapor Man (voice)

as Scooby-Doo (voice)

as Ed the Foreman / Otis (voice)

as Blip / Zorak (voice)

as Sebastian the Cat (voice)

as Scooby-Doo (voice) (archive footage)

as Igor (voice)

as Scooby-Doo / Scrappy-Doo (voice)

as Ali / Various Voices (voice)

as Scooby-Doo (voice) (archive footage)

as (voice)

as Boo-Boo / Ranger John Smith / Ranger Jones / Mugger the Dog (voice)

as Pixie

as Scooby-Doo (voice) (archive footage)

as Scooby-Doo (voice) (archive footage)

as Papa Smurf (voice)

as Hamton J. Pig / TV Executive (voice)

as Scooby-Doo / Ranger Smith / Boo-Boo Bear / Muttley / Bamm-Bamm Rubble / Papa Smurf

as Roman Soldier (voice)

as Droopy (voice)

as Sparerib/ Nobody/ Mr. Post/ Mr. Snyder

as Scooby-Doo / Ghost (voice) (archive footage)

as Scooby-Doo (voice) (archive footage)

as Scooby-Doo (voice) (archive footage) (uncredited)

as (archive footage)

as Scooby-Doo (voice)

as Narrator - Pressure Cooker Blackout (voice) (uncredited)

as Boo Boo / Ranger Smith / Herman the Hermit (voice)

as Scooby-Doo / Additional Voices (voice)

as Scooby-Doo / Scrappy-Doo (voice)

as Hamton J. Pig (voice)

as Bleep (voice)

as Scooby-Doo (voice) (archive footage)

as Baby Bamm-Bamm/Lot Security Guard/Tour Bus Driver (voice)

as Boo Boo Bear / Ranger Smith / Pixie (voice)

as Gloop / Gleep

as Godzooky

as Freddy the Flute / Googy Gopher / Orson Vulture (voice)

as Papa Smurf / Azrael the Cat (voice)

as Ricochet Rabbit

as Schleprock

as Scooby-Doo (voice)

as Scooby-Doo (voice)

as Boo Boo / Ranger Smith (voice)

as Dr. Quest / Bandit (voice)

as Scooby-Doo

as Papa Smurf / Azrael (voice)

as Papa Smurf / Chitter (voice)

as Boo Boo / Ranger Smith

as (voice)

as (voice)

as Boo Boo / Ranger Smith (voice)

as Boo Boo / Mumbly (voice)

as Cat / Mice (voice) (uncredited)

as (voice)

as Announcer (voice)

as Bamm-Bamm Rubble

as Quarry Worker (voice)

as Boo Boo /Narrator (voice)

as So-So

as Eugene the Jeep (voice)

as Mr. Twiddle / Miami Zookeeper (voice)

as Additional Voices (voice)

as Boo Boo / Pixie / Atom Ant / So-So / Moby Dick / Touche' Turtle (voice)

as Boo Boo (voice)

as Dr. Benton C. Quest / Bandit (voice)

as Bad Luck Schleprock

as Whiskers / Jonathan (voice)

as Doctor / Fish #1 / Fish #2 / Parrot / Pigasaurus (voice)

as Astro / Gloop / Gleep (voice)

as Ruff (voice)

as Eager /Tagg (voice)

as Q*Dactyl (voice)

as Dr. Quest (voice)

as Romtu (Voice)

as Scrambles/Fishtail (voice)

as Muttley (voice)

as Professor Carter (voice)

as (voice) (archive footage)

as Father (voice)

as Papa Smurf (voice)

as Wally Wooster

as Mumbly (voice)

as Boo (voice)

as Papa Smurf / Azrael (voice)

as Stork / Baby Gorilla / Driver (voice)

as Scooby-Doo (Voice)

as Pastry Cook / House Agent / Midget / Workman / Hero (voice)

as Harvey Kinkle / Chilli Dog (voice)

as Blunderpuff / Elf (voice)

as Schleprock

as Countdown

as Bamm-Bamm Rubble

as Sergeant Deaux-Deaux (voice) (archive sound) (uncredited)

as (voice)

as Gears / Ratchet (archive audio)

as Crunch / Commander Rondu (voice)

as Scooby-Doo (voice)

as Eddie / Farmer Smith

as Doormouse

as Humboldt (voice)

as Zookeeper / Gorilla / Storekeeper (voice)

as Scooby and Scrappy Doo

as Sancho Panda (voice)

as Mr. Twiddle

as Cop

Role: Vocals

as Boo Boo / Ranger Smith (voice)

as Peter / Thor / Turkey

as Woody

as Sergeant Deux-Deux (voice)

as Rabbit / Magic Mirror / Dwarfs / Prince Charming (voice)

as Zoo Guide / Zoo Visitor / Baby / Hunter / Chipmunk (voice)

as Space Probe Administrator / Scuba Diver (voice)

as Bad Wolf #2 / Hansel (voice)

as Little Wolf (voice)

as Customer / Burglar (voice)

as 1st Bird / Jack / Chick (voice)

as Mouse / Cat (voice)

as Papa Smurf (voice)

as Rawhide Clyde (voice)

as Louie / Itchy (voice)

as Wolf / Rabbit / Sparrow (voice)

as Dog / Chicken

as Rabbits / Bear

as Hans Van Ripper (voice)

as Atom Ant (voice) (archive footage)

as Papa Smurf / Scooby-Doo / Scrappy-Doo (voice)

as Pig #1 (voice) (uncredited)

as Sheepdog (voice)

as Watchdog (voice)

as Musketeers / Duke (voice)

as John Bear / Junior Bear (voice)

as Hunter / Dog (voice)

as Scooby-Doo

as Aramis / King Louis XIV

as Clyde (voice)

as Hoppy / Bumbler

as John Bear / Junior Bear

as Farmer / Woofer

as Boss / Rabbit / Police Sergeant

as Safari Hunter

as Little Pig #1 / Little Pig # 2

as Sheepdog / Sheep

as Hunter / Desmond Dog

as Robin Hood / Sheriff of Nottingdoing / Sheriff's Wife

as Turtle / Buzzard / Wolf Hunter

as Narrator / SSA Graduate / Sheepdog / Sheep

as Sheepdog / Farmer / Sheep

as Old MacDonald / Sheepdog / Sheep

as Waldo / Joseph (voice)

as The Prince (voice)

as Car Owner / Dr. Jekyll (voice)

as Harvey Kinkle (voice)

as Snorky / Scooby-Doo (voice)

as Scooby-Doo (voice) (archive footage)

as Papa Smurf (Voice)

as The Robot / Brack / Narrator (voice)

as Killer/Gorgeous Cat/Captain Parker/Radio (voice)

as Boo Boo / Pixie / Muttley / Lucky the cat (voice)

as Astro

as Precious Pupp-Voice

as Narrator (voice)

as Shag Rugg (voice)

Role: Vocals

as Ratchet

as The Wizard/Robbing Hood

as Scooby-Doo (voice)

as Papa Smurf (voice)

as Boo Boo Bear / Narrator / Guy In Car / Gopher (voice)

as Narrator

as Blip, Zorak (Voice)

as Scooby-Doo (voice)