cast
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Jeff Bennett
Dog (voice) / Patient / Geezer / Workman (voice) / Grandpa / Gaillard (voice) / Fanman / Lenny (voice) / Zan-Tar / Apeman #3 (voice) / Punky (voice) / Charlie (voice)
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Dee Bradley Baker
Duck / Tabby (voice) / Nessie / Karl / Momsquatch (voice) / Lady Rainicorn / Snow Golem (voice) / Señor Swampy / Turkey / Dolphins (voice) / Carrot / Seymour (voice) / Roccos / Audrey / Snail / Dinosaur (voice) / Socko / Newspaper Guy (voice)
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Rob Paulsen
Solomon Fix (voice) / Danny / Tickle Monster (voice) / HandyCat / Drillbit (voice) / Flavio (voice)
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Kevin Michael Richardson
Dad / Announcer / Zit / Applause Fish (voice) / Infinite Goliath / Hondo / Mechaneck (voice) / Ice Monster (voice) / Krunch / Rastamon / Announcer / Alarm Clock (voice)
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Maurice LaMarche
Bjorn / Working Troll #1 (voice) / Pickle Cop / Elecaptain Sam / Dog Catcher (voice) / Birdsdorf / Apeman #1 (voice) / Klemp (voice)
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John DiMaggio
Mumpy (voice) / Jake / Ice Clops (voice) / Roy (voice)
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John Kassir
Dugly Uckling / Kung Pao Bunny (voice) / Bone / Soldier A / Soldier B / Soldier C (voice) / Ice King / Fire Element (voice)
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Annie Mumolo
Pixie / Little Prince / Munchie (voice) / Strikeout (voice) / Melissa / Rusty / Patch (voice)
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Candi Milo
Bee (voice) / Yumi / Octopus Dude (voice) / Nurse Duckett (voice)
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Charlie Schlatter
Chris (voice) / Willie / Gnome / Martin / Dwarf (voice) / Sugarfoot (voice)
- S. Scott Bullock Dorothy / Hummingbird (voice) / Dr. Carnage / Timmy / Mr. Abbott (voice) / Gi / Raffe / Co-Worker #2 (voice)
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Aliki Theofilopoulos
Sweet Little Girl / Fortune Fish / Kid #1 (voice) / Kelly / Mrs. Dusenberry (voice) / Crimson (voice)
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June Foray
Old Lady (voice) / Mall Walker / Old Man #1 / Man at Garbage Can (voice)
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Jessica DiCicco
Gloom / Fuzzy Animal (voice) / Smart Alec / Plasma Tot (voice)
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Billy West
Finster #1 / Johnny Space Guy / Pilot #1 / Space Thug (voice) / Moobeard / Value Guy (voice)
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Nika Futterman
Cathy (voice) / Lulu (voice)
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Chuck McCann
Buck (voice) / Navarro (voice)
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Charlie Adler
Finster #2 / Evil Leader / Pilot #2 / Space Thug (voice) / Bossy LeCow / Raging Bullfrog (voice)
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Colleen O'Shaughnessey
Kit / Little Girl / Some Kid (voice) / Tiffany / Mom (voice)
- Lloyd Floyd Gary Guitar (voice) / Fungus (voice)
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Jennifer Hale
Ms. Penelope (voice) / Victor's Mom / Express Mail / Co-Worker #3 (voice)
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Tress MacNeille
Mrs. Finster / Chicken #2 (voice) / Ma (voice)
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Zack Shada
Penn (voice)
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David Hornsby
Fanboy / Kid #2 (voice)
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Nancy Cartwright
Chum-Chum / Kid #1 (voice)
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Don LaFontaine
Announcer (voice)
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Stephen Root
Lance (voice)
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Bobcat Goldthwait
Zoopie (voice)
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Keone Young
Flashback Lance / Flashback Zoopie (voice)
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Stephen Stanton
Mr. Frank (voice)
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Robert Costanzo
Bossman (voice)
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John Mariano
Leonardo DaVinci (voice)
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Rodger Bumpass
Lemurman (voice)
- Lynne Maclean Tabby's Mom (voice)
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Kari Wahlgren
Sparkles / Mom / Leprechaun (voice)
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Tara Strong
Beth / New Alien (voice)
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Dan Finnerty
Wallo (voice)
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Noah Nelson
Professor Brain Dog 7 (voice)
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Polly Lou Livingston
High Five Alien (voice)
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Teresa Ganzel
Lulu (voice)
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Jess Harnell
Crank / Man at Cookie Nook (voice)
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Debi Derryberry
Pop Singer / Teen at Cookie Nook (voice)
- Scott Fresina Urban (voice)
- Jim Wyatt Cyrus (voice)
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Kimberly Brooks
Super John Doe Jr. (voice)
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James M. Connor
as Super John Doe (voice)
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Sandy Fox
Robin (voice)
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Marc Graue
Anchorman (voice)
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David Shaughnessy
Blimey (voice)
- John A. Zee Mayor (voice)
- Andy Morris Evil Butthead (voice)
- Elijah Runcorn Ned (voice)
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Doug TenNapel
Chipmunk #1 / Chipmunk #2 (voice)
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Erica Luttrell
Sailorbird / Road Show Announcer (voice)
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Dave Allen
Dark Blade of Fire (voice)
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Kyle A. Carrozza
Ungus / Ungentlemanly Pig (voice)
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Betsy Foldes
Mom (voice)
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Niki Yang
Baby Rabbit (voice)
- Jeff DeGrandis Chicken #1 (voice)
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Paige Moss
Princess Bubblegum (voice)
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Pendleton Ward
Abraham Lincoln / Old Man (voice)
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Jeff Doucette
Ivan / Olaf (voice)
- Andrew Dickman Filthy Viking / Working Troll #2 (voice)
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Michaela Jill Murphy
Peggy (voice)
- David Busch Dad / Jockey / Racetrack Announcer (voice)
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Audrey Wasilewski
Bessie (voice)
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Fred Stoller
Al (voice)
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Greg Eagles
Teapot / James Brown Clock / Silkbone / Blind Guy / Body Guard
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Cathy Lewis
Bouche (voice)
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Hilda Boulware
Mother's Voice (voice)
- Chara Hammonds Video Vixen #1 / Video Vixen #2 (voice)
- deMann Announcer (voice)
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René Auberjonois
Hornswiggle / Apeman #2 (voice)
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Cheryl Chase
Nurse #1 / Nurse #2 (voice)
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Hynden Walch
Olympia / Ms. Chic (voice)
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Becky Thyre
Electrisha (voice)
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Karen Malina White
Mindy 500 (voice)
- Raul Aguirre Jr. Razorklaw (voice)
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André Sogliuzzo
Yaki / Contest Judge (voice)
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Becky Poole
Vera Viola (voice)
- Stephen Largay Danny Drum (voice)
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Mark Hamill
Frank the Director (voice)
- Karen Henry Perky Tour Guide (voice)
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Tom Kenny
Bradwurst / Jerry (voice)
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Raphael Sbarge
Willy (voice)
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J.P. Manoux
Gus (voice)
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Robert Cait
Dr. Froyd (voice)
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Jim MacGeorge
Giovanni (voice)
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Alanna Ubach
Roger Jones / Computer Voice / Mrs. Abbott /Samantha (voice)
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Wil Wheaton
Kyle / Horace (voice)
- Jentle Phoenix Rosemary / Lunarella (voice)
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Gary Littman
Garlic Boy (voice)
- Gerrianne Raphael Garlic Boy's Mom (voice)
- Erik Bergmann Garlic Boy's Dad (voice)
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Betsy Beutler
Parsley (voice)
- John R. Dilworth Twin #1 / Twin #2 (voice)
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Max Burkholder
Samsquatch (voice)
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Daran Norris
Conrad Conrad (voice)
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Ja'net DuBois
Mom (voice)
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Danica McKellar
Katerina Metropoulos (voice)
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Frankie Ingrassia
Tess / Classmate (voice)
- LaTonya Holmes Gypcy (voice)
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Quinton Flynn
Spencer Applebaum / Spencer Spencerson / Winking Kid (voice)
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E. G. Daily
Victor / One-Eyed Bird / Co-Worker #1 (voice)
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Fred Tatasciore
Mr. Papier (voice)
- Steve Purnick Bronk / Dinosaur (voice)
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Joel McCrary
Bongo / Skeleton (voice)
- Adam Busch Jerry / Orderly (voice)
- Manny Galán Angry Erik (voice)
- Alan Goodman Ted Strawberry Head (voice)
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Jim Meskimen
Thom Cat / Neighbor John / Stumpy (voice)
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Carlos Alazraqui
Quiggims / Bobblehead (voice)
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James Sie
Narrator / Monkey Butt (voice)
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Phil Nee
Dr. Dee / Bomba (voice)
- Brett Pels Zero / Bit Boy / Flower Wicky / Shop Owner (voice)
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Jennie Kwan
Myang Myang / Bit Girl / Edu (voice)
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Lloyd Sherr
Narrator (voice)
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Charles Kim
Black Violet (voice)