Frank Welker

Fred Jones / Scooby-Doo (voice)

(voice) / barks of Santa's Little Helper / meows of Snowball II, and other / Santa's Little Helper / various animals (voice)

Isis (voice) / Isis the Cat (voice) / Thug (voice) / Werewolf FX (voice)

Megatron (voice)

Mountain Lion (voice) / Nibbler (voice) / Nibbler / Pygmy Hyena Moles (voice) / Tardigrades (voice)

William (voice)

Scooby-Doo / Fred Jones (voice)

Alien Creature (voice)

(voice) / Fred Jones (voice)

(voice) / Additional Voices (voice) / Frank (voice) / Monkey Ninjas (voice) / Roachie (voice)

Fred / Scooby-Doo (voice) / Fred Jones / Scooby-Doo / Baron Von Billfold (voice)

Luug (voice)

Camorite (voice) / Creature (voice) / Doorman (voice) / Evil Creatures (voice) / Krypto (voice) / Scientist (voice) / Serpent (voice)

(voice) / Experiments (voice) / Kixx (voice) / Mr. Stenchy: Experiment 254 (voice) / Poxy (voice) / Skip (voice) / Sparky (voice) / Sparky / Yin / Yang / Slushy / Kixx (voice) / Tanlined Ice Cream Tourist (voice)

(voice) / Fred Jones / Scooby-Doo (voice)

Councilor 2 (voice)

Garfield (voice)

Animals (voice) / Dai Gui (voice) / Magister #3 (voice) / Wire-Operated Samurai (voice)

Megatron (voice)

Odin (voice)

Darwin (voice) / voice of Darwin (voice)

Bigtime Beagle / Baggy Beagle / Bubba the Caveduck (voice)

Mox / Macqaque Wallah (voice)

Boskov / Scooby-Doo (voice)

Announcer (voice)

Greibble (voice)

Abu (voice)

Batboy / Fred / Scooby-Doo / Scooby-Doo Batman (voice)

Bronx (voice)

Fred Jones (voice) / Scooby-Doo (voice)

Goddard / Mr. Strych / Special Vocal Effects (voice) / Goddard / Mr. Wuggles / Special Vocal Effects (voice) / Goddard / Phantom #4 / Special Vocal Effects (voice) / Goddard / Second Guard / Special Vocal Effects (voice) / Goddard / Special Vocal Effects (voice) / Goddard / Tubbs / Father / Special Vocal Effects (voice) / Goddard / Tubbs / Health Inspector / Special Vocal Effects (voice) / Goddard / Tubbs / Special Vocal Effects (voice) / Goddard / Wendel / Special Vocal Effects (voice) / Special Vocal Effects (voice) / Tubbs / Special Vocal Effects (voice)

Ray Stantz (voice) / Slimer (voice)

Bus Driver (voice) / Professor XXXL (voice) / Rainbow Monkey Kong (voice) / Truck Driver (voice)

Torch (voice) / Wild Bill (voice)

Grandpa Mort (voice)

Fred Jones (voice)

Packard (voice)

Runt / Buttons (voice)

Eek / Squeak / Archie (voice)

Furrball (voice) / Byron Basset (voice)

Bo (voice) / Booker (voice) / Sheldon (voice)

Abu (voice) (archive footage)

Orbitty (voice)

Hefty Smurf (voice)

Billy the Squid (voice) / Robot Dogs (voice) / Tick-Tock the Crocodile (voice) / Todd / Plane Captain (voice)

Iceman/Bobby Drake (voice)

Meat (voice)

Galvatron (voice) / Megatron (voice) / Soundwave (voice) / Poplock (voice)

Fred Jones / Scooby-Doo (voice)

Additional Voices (voice) / Al / Creatures (voice) / Brutis / Red Robe Thug #2 / Scarabs (voice) / Buffy Vanderschmere (voice) / Captain Hotspur (voice) / Dimple (voice) / Giant Condor (voice) / Henry / Inkaras / Gator Policeman (voice) / Pilot Jack / Gorilla-Birds (voice) / Red Robe Thug #2 / Scarabs (voice) / Sparky / Maswich Village Mayor (voice) / Wendell (voice) / Wildey Pole / Additional Voices (voice)

Bartender (voice) / Board Member (voice) / Gollyzilla / Scientist #2 / Man in Street? Soldier #1 (voice) / Grandfather (voice) / Napoleon (voice) / Odin (voice) / Ross Perot (voice) / The President / The President (voice)

Milo (voice)

Soundwave (voice)

Bubble Puppy (voice)

Ray Stantz (voice)

(voices)

Fred / Speed Buggy (voice)

(voice) / Apes (voice) / Bibi (voice) / Dumont as Gibbon (voice) / Gorillas (voice) / Manu (voice) / Primates (voice)

Boskov (voice)

(voice) / Deputy Dusty / Fred Jones (voice)

Roger (voice)

Bill's Bunnies

Freddie

Ronnie $elfish (voice)

Clerks Fan / Cartoon Horse / Bill Clinton (voice)

Tooter Shelby/ Occy/ Grandpa Wetworth/ Great Snork Nork/ Finneus

Pegasus (voice)

Creature (voice)

Niddler (voice)

Scooby-Doo (voice)

Dad / Lackey (voice) / Napoleon / Pink Parrot / Security Guard (voice)

Tiamat

Gameboy (voice)

Billy Blob Bile (voice) / Dander (voice) / Tar (voice)

Coop (voice)

(voice)

Joe Presto (voice)

(voice)

(voices)

Bobo (voice) / Finwithit (voice) / Flugel / Frog (voice) / Griffin / Mervyns (voice) / Guard Dog (voice) / Henchman / Horse / Cows (voice) / Jabber (voice) / Marquis de Bouillabaisse (voice) / The Sluggard (voice) / Zephyrs (voice)

Chomp-Chomp (voice)

McWolf / Dweeble / Wild Mouse / Grunch the Caveman (voice)

Father Time (voice)

Darkseid (voice) / Marvin White (voice) / Toyman (voice)

Jabberjaw

Dinky

Curly / Narrator / Ludwig Lillyput

Ambrose / Butch (voice)

Dollar (voice)

H.E.R.B.I.E. (voice)

Shmoo / Rockjaw

Fred (voice)

Additional Voices (voice)

Totoro / Catbus (voice)

Abu / Cave of Wonders / Rajah (voice)

Footstool (voice)

Khan / Cri-Kee (voice)

Megatron (voice)

Flit (voice)

Max (voice)

Sabor (voice) (uncredited)

Mastadge (voice)

Max / Fred (voice)

Baby Bird (voice)

Sonya (voice)

Cri-Kee (voice)

Azrael (voice)

Scooby-Doo / Fred Jones (voice)

Abu / Rajah / Fazahl (voice)

Phillippe / Sultan (voice)

Lucifer / Bruno / Pom Pom (voice)

Max (voice)

Lucifer (voice)

Sparky Frankenstein (voice)

Azrael (voice)

Flit (voice) (uncredited)

Louie the Sausage Vendor (voice)

Abu the Monkey (voice)

Joanna (voice)

Reggie (voice)

Obby / Mantell (voice)

Scooby-Doo / Pterodactyl (voice)

Sparky (voice)

Toby the Dog / Felicia the Cat (voice) (uncredited)

Bigfoot (voice)

Sharptooth (voice) (uncredited)

Shao Kahn / Reptile (voice)

Additional Voices (voice)

Parrot Sounds (voice)

Anaconda (voice) (uncredited)

Spock's Screams

Sultan (voice)

Sparky / Sprout / Mr. Stenchy / Kixx / Hoilo / Slugger (voice)

Altivo (voice)

Additional Voices (voice)

Mayor Stevenson (voice)

Nana II / Octopus (voice)

Additional Dialogue Replacement (voice)

Rahzar / Tokka (voice)

Special Vocal Effects (voice)

Ayden (voice)

Additional Voices (voice)

The Devil Malebolgia (voice)

Spike (voice)

Nibbler / Fleb / Seymour (voice)

Nevins (voice)

Scooby-Doo (voice)

Special Vocal Effects (voice)

Achilles & Djali (voice)

Creatures (voice)

Grizzly Bear (voice)

Buddy (voice)

Horror (voice)

Turkey / Figaro (voice)

Graboids (uncredited)

Bullseye (voice)

Nibbler (voice)

The Thing (voice)

Fred Jones (voice)

Scooby-Doo (voice)

Fred Jones (voice)

Velociraptor (voice)

Fred Jones / Scooby-Doo (voice)

Reinaldo Vocal Effects (voice)

Spindle / Frog / Caterpillar (voice)

Scooby-Doo / Fred Jones / Lachlan Haggart (voice)

Scooby-Doo / Fred Jones (voice)

Sven (voice)

Crunch (voice)

Special Vocal Effects (voice)

Fred Jones / Scooby-Doo (voice)

Grubs / Self Destruct / Ranger #1 / Cadet Flam (voice)

Scooby-Doo / Fred Jones (voice)

Fred Jones / Scooby-Doo (voice)

Scooby-Doo / Fred Jones (voice)

Jack's Vocal Effects

Woof / Ace (voice)

Scooby-Doo / Fred Jones / Wiki-Tiki / Interviewer (voice)

Scooby-Doo / Rudy / Fred / Nefario (voice)

Scooby-Doo / Fred Jones (voice) (archive footage)

Fred Jones (voice) (archive footage)

Tickles (voice)

Cujo (voice; uncredited)

Abominable Snowman

Megatron

Fred Jones / Scooby-Doo (voice)

Fred Jones / Scooby Doo (voice)

Goddard / Poultra (voice)

Scooby-Doo / Fred Jones (voice)

Scooby-Doo / Fred Jones (voice)

Scooby-Doo / Fred Jones (voice)

Scooby-Doo / Fred Jones (voice)

Fred Jones (voice)

Assassimon (voice) (uncredited)

Cat sounds (archive footage; uncredited)

Pegasus (voice) (archive sound)

Scooby-Doo / Fred Jones (voice)

Fred (voice)

Giant Bat (voice)

Azrael (voice)

Farley Wink (voice)

Werewolf Vocal Effects (voice)

Garfield / Keith / Prop Boy / Nerd / Others (voice)

Archbishop / Dying King (voice)

Dan Rathmoon / Johnny / Mr. Goldbrick (voice)

Velociraptor (voice)

Rajah / Abu (voice)

Scooby-Doo / Fred Jones / Msicellaneous Bikers (voice)

Scooby-Doo / Fred Jones (voice)

Fred Jones / Scooby-Doo (voice)

Scooby-Doo / Fred Jones (voice)

Spinosaurus (voice)

Fred Jones (voice)

Sophie / Native Chief / Baby Penguin / Additional Voices (voice)

Fred Jones (voice) (archive footage)

Hector the Bulldog / Hugo the Abominable Snowman / Mugsy / Penel

Scooby-Doo / Fred Jones (voice) (archive footage)

Scooby-Doo / Fred Jones / Motoshondu (voice) (archive footage)

Scooby-Doo / Fred Jones (voice)

Squeep / Grungees (voice)

Azrael (voice)

Toad / Lockheed (voice)

Scooby-Doo / Fred Jones / Monster (voice)

Demon Angela (Voice) (Uncredited)

Deer (voice) (uncredited)

Scooby-Doo / Fred Jones / Dynomutt (voice)

Garfield (voice)

Fred Jones / Scooby-Doo (voice)

Scooby-Doo / Fred Jones (voice)

Reporter Dog / Lawyer (voice)

Astro (voice)

Barney Rubble / Dino / J. Rocko (voice)

Ned the Elephant (Voice)

Archbishop / Dying King (voice) (archive footage)

Scooby-Doo / Fred Jones (voice) (archive footage)

Figaro (voice)

Fred Jones / Scooby-Doo (voice)

Fred Jones / Scooby-Doo (voice) (archive footage)

Fred Jones (voice)

Mayor Stevenson / Weather Man (voice)

Hefty Smurf (voice)

Scooby Doo / Fred Jones (voice)

Creepy / Mother Pterodactyl

The Monster (voice)

Sultan (voice)

Fred Jones (voice) (archive footage)

Dr. Frankenwagon's Monster (voice)

Bad Baboon / Deer / Porcupine / Mandrill (voice)

Slimer / Hefty Smurf / Baby Kermit (voice)

Hefty Smurf / Poet Smurf / Wild Smurf / Puppy / Rat (voice)

Bopper / Real Ghost / Yapper (voice)

Scooby-Doo / Fred Jones (voice)

Monty Uno (voice)

Furrball / Gogo Dodo / Byron Basset / Calamity Coyote / Little B

Finrock (voice)

Garfield / Garzooka / Narrator (voice)

Max / Waiter / Additional voices

Hefty Smurf (voice)

Fred Jones / Scooby-Doo / The Centaur (voice)

Megatron (voice)

Scooby-Doo / Fred Jones (voice)

Merkin (voice)

Batso (voice)

Scooby-Doo / Fred Jones (voice)

Dino (voice)

Herman Melville (voice)

Figaro / Butch (voice)

Hefty Smurf (voice)

Fred Jones/ Scooby-Doo (voice)

Scooby-Doo / Fred Jones (voice)

Scooby-Doo / Fred Jones (voice)

Fred Jones / Scooby Doo (voice)

Scooby-Doo / Fred Jones (voice)

Uncle Stinky Pig / Byron Basset / Furrball / Little Beeper / Gog

Bull (voice)

Soundwave / Megatron / Rumble / Frenzy / Wheelie (voice)

Animal Vocal Effects (uncredited) (voice)

Dino / Monkey / Elevator Guy (voice)

Scooby-Doo / Fred Jones (voice)

Special Vocal Effects (voice)

Bamm-Bamm Rubble (voice)

Freddie Jones / Scooby-Doo (voice)

Knuckles (voice)

Short-Fuse / Torch / Wild Bill / Junkyard (voice)

Zero / Otto (voice)

Farnsworth/ Jebediah/ Rollo/ Perky/ Eagle/ Jeepers/ Big Wolf

Rock 'n Roll / Short-Fuse / Wild Bill / Timber (voice)

Various (voice)

Gopher

The Python (voice)

Bigtime Beagle / Penguin Leader (voice)

Hector (voice)

George / Additional Voices (voice)

Goddard (voice)

Grizz / Waffles / Chainsaw (voice)

Higgens / Bull (voice)

Special Vocal Effects (voice)

Scooby-Doo (voice)

Lorenzo / Gunner (voice)

Barney Rubble (voice)

Santa Claus (voice)

Scorch / Steven the Aligator (voice)

Curious George (voice)

Fred Jones / Scooby-Doo (voice)

Fred Jones / Scooby-Doo (voice)

Fred Jones (voice) (archive footage)

Scooby-Doo (voice)

Additional Voices (voice)

Goddard (voice)

Black Cat / Nice Man / Dog (voice)

Boss Duck (voice)

George (voice)

Goddard (voice)

Santa Claus / Doctor (voice)

Abu (voice)

Debit (voice)

Curious George/Stig/Flint Quint

Fred Jones / Scooby-Doo (voice)

Chameleon (voice)

Fred Jones / Scooby-Doo (voice)

Muttski / Additional Voices (voice)

Barney Rubble (voice)

Matches / Papa Werewolf / Well Dweller (voice)

Scooby-Doo / Fred (voice)

Whole Lotta Monkeys (voice)

Fat Guy - Rameet (voice)

Fred Jones / Scooby-Doo (voice)

Additional adult voices

Henry

Fred Jones (voice) (archive footage)

Igor (voice)

Principal / Al / Snert / Kvaak / Narrator

(voices)

Bronx (voice)

M.C. (voice)

Fred Jones / Scooby-Doo (voice)

Professor Otto Allenford (voice)

Scooby-Doo / Fred Jones / Self

Chomp Chomp

Brain / Dr. Claw / M.A.D. Cat / Santa Claus (voice)

George / Philippe (voice)

Fred Jones (voice)

Bear / Beaver (voice)

Fred Jones / Scooby-Doo (voice)

Animation Vocal Sound Effects (voice)

Phillippe / Sultan (voice)

Cat / Troll (Voice)

George / Duck / Cow (voice)

Jerry (Voice)

Special Vocal Effects (voice)

President / General / Guy / Man #2 / Einstein (voice)

Garfield / Delivery Gnome / Prop Boy / Leonard / Jeff (voice)

Buddy (voice)

Additional Voices (voice)

Gogo Dodo / Furrball / Bill Clinton / Ross Perot / Additional Vo

Mayor Simmons / Narrator (voice)

Mendelsen (voice)

(voice)

Maxwell

Barney Rubble / Dino (voice)

Fred Jones / Scooby-Doo (voice)

(voice)

Barney Rubble

Fred / Scooby-Doo (voice)

Scoota (voice)

Additional Voices (voice)

Mr. Uno (uncredited) (Voice)

Spike (voice)

Galvatron

Curious George (voice)

Fred Jones / Additional Voices (voice)

Baby Oopsiy Daisy

George (voice)

Alfonso / Mr. Nilsson (voice)

Scooby-Doo (voice)

Dino / Fang / Crusher

Additional Voices (voice)

Whiskers (voice) (uncredited)

Dinosaurs (voice)

Caesar / Ken (voice)

Curious George (voice)

Bessie the Sea Monster (voice)

Fred Jones (voice)

(voices)

Fred Jones / Jabberjaw (voice)

Tyrannosaurus Rex (voice)

Curious George (voice)

Goddard (voice)

Fred / Scooby-Doo / Headless Snowman (voice)

Fred Jones (voice)

Sharak / Kodo / Podo / Ruh (voice)

Myles