| • Carlos Alazraqui | voiced | Waiter | Fairy Messenger | Mean Looking Kid / Computer Voice | Chicken | Jealousy / Billy Crystalball / Ghengis Khan, Dog#1, Ken, Fly#1, Fly#2, Dundee Guy, Billy Crystalball / Felos / Sheldon Dinkleberg | Tony Futurelli | Additional Voices / Superbike | Dog | Cat | Cow Fairy / Juandissimo Magnifico / Eddie | Judge / Juandissimo / Picasso / General McCloud / Demolitions Chief(Dad Overboard) / Mayor | Television / Mayor | Chompy / Announcer / Teacher | Man / Jeff | Fairy Dispatcher | Deep Male Voice / Sheldon Dinkleberg / John Hancock | Repairman / Bus Driver | Mr. Whiskers / Dolores-Day Crocker | Trixie's Dad / Juandissimo Magnifico | Cockroach / Sheldon Dinkleberg | Sergeant | Man #1 / Ape #2 / Bus Driver | SWAT Captain | Billy Crystal Ball / Sheldon Dinkleberg | Colon the Clown | Flavin / Dolores-Day Crocker | Sheldon Dinkleberg | Mayor / Mayor | Chompy | Geek #2 / Male Flight Attendant / Mayor | Sheldon Dinkleberg | Dolores-Day Crocker / Alden Bitteroot | Mayor / Mayor | Game Show Host / Mayor | Advisor / Wrestler / Agent #1 | Daredevil / Announcer | Principal | Make-Up Artist / Father | Dolores-Day Crocker / Argonaut | Rat / Sheldon Dinkleberg | Mr. Pfeiffer | Frenchy / Dolores-Day Crocker / Bad Parent Hunter | Sheldon Dinkleberg / Juandissimo Magnifico | Owl / Mayor | Cowboy #1 | Janitor / Juandissimo Magnifico | Man in Crowd / Dr. Poof Everwish | Writer | Stagehand / Mailman / Mayor | Guy #3 / Superbike / Simon / Mayor | Chompy | Sheldon Dinkleberg | Human Bullet / Sheldon Dinkleberg | Darlington | Uncle Carmine | Enforcer Fairy / Floating Scientist | Repair Robot | Superbrain | Juandissimo Magnifico / Dr. Snipowitz / Robo-Dinkleberg / Sheldon Dinkleberg | Gigglepie Sergeant | 59 Episodes |
| • Grey Delisle | voiced | Principal Geraldine Waxelplax / Tooth Fairy, Reporter / Princess | Female Stomach Flu / Kid | Female Newscaster | Spatula Woman | Female Fairy #2 / Creampuff#3, Trish, Fish, Fly#3, Monster / Principal Geraldine Waxelplax | Kid #1 / Tootie | Additional Voices / Principal Geraldine Waxelplax | AJ's Mom / Christine Glamorpuss / Kid | Bird | Aunt Gertrude Crab / Principal Geraldine Waxelplax | Dino | Chicken / Star | Mr. Whiskers / Ms. Dimmsdale | Fan #2 | Receptionist | Fat Fairy | Fairy #1 | Blob #3 / Computer Nerd | Girl Fan #2 | Researcher | Astronaut / Tootie | Boy #2 / Principal Geraldine Waxelplax | Snerd Kid / Principal Geraldine Waxelplax | Girl #2 / Principal Geraldine Waxelplax | Vampire | Sasquatch / Veronica | Salon Woman #1 | Soap Actress / Betty / Homeowner / Veronica | Principal Geraldine Waxelplax | Chad / Bully #2 | Nerd #1 / Veronica | Veronica's Mom | AJ's Mom / Tooth Fairy / Tootie | Tooth Fairy | Veronica | Principal Geraldine Waxelplax | Chad / Principal Geraldine Waxelplax | Veronica | Chad / Kid / Chad / Tootie | Old Woman / Veronica | Principal Geraldine Waxelplax / Betty | Kid Walla | Principal Geraldine Waxelplax / Veronica / Tour Guide | Assistant | Female Make-Up Artist / Little Girl | Veronica / Tom / Mrs. Chamberlain / Principal Geraldine Waxelplax | Girl / Bumper Girl | Greeter | Masseur #1 | Calendar Kid / Girl Fairy | Hair Fairy / Tootie | Kid / Chad | Elderly Woman / Principal Geraldine Waxelplax | Tammy | Computer Voice / Principal Geraldine Waxelplax | Woman | Tootie / Tootie / Maryanne | Pierre / Betty | Tootie | Yvette Ubetcha / Tootie | Principal Geraldine Waxelplax / Cadet #2 / Tootie | Trillie | 58 Episodes |
| • Dee Bradley Baker | voiced | Elmer | Fairy Judge / Albert Einstein | Boy #1 | Boy #3 | Doidle / Remy Buxaplenty / Elmer | Sanjay | Geeky Kid | Benedict Arnold | Thomas Jefferson / Binky | Fairy #1 | Check in Fairy / Sanjay | Elmer | Wing Pilot / Chuck Cheesely | Pincusion Man | Alligator Man / Needle Orderly | Stage Manager | Boy | Rat | Sanjay | Elmer | Bob / Fairy Agent #1 / Sanjay | Elmer | Future Flemmer | Agent #2 / Bronze Kneecap | P.A | Dorky Kid / Sanjay, Sanjay's Dad / Sanjay | Elmer | Ishmeal | Aramis / Waiter / MIB #1 | Park Official / Sanjay | Off Stage Guy / Bronze Knee Cap | Captain | Remy Buxaplenty | Leprechaun / Elmer / Shallowgrave | Ritchie Kid | Clown / Guy #2 | Guy #4 / Binky, Director, Leprechaun / Dad as Kid | 70's Kid | Guard / Big Kid | Additional Voices / Sanjay / Brad Wurst / Nymph Kid | Bronze Kneecap | TV Announcer | Male Newscaster | Cop #1 | Eddie | Vet | Teacher | Chet Ubetcha | Barry | TV Wrestler / Houston | Cell Phone Voice / Cat | Anti-Fairy #1 / Teddy Bear | Yugopotamian #1 / Artie | Knight | Court Jester / Angry Frenchman / Elmer | Zit Teen | Pumpkinator / Brad Cuspidor | Stage Manager | Sanjay | Elmer | Bulldozer Driver | Coyote | Computer Voice / Sanjay | Bippy | Fairy Private | Kid #2 / SWAT Guy | Brass Knuckles / Announcer | Johnny | Stormy / Dad as Kid / Jedediah | Ezekial / Canadian Police #1 | Cop #1 | Dignitary / Brad Cuspidor | Game Show Contestant | TV Techs / Sanjay | Elmer | Janitor / Elmer | Kid | Bouncer / Sanjay | Elmer | Head Lifeguard / Sanjay | Pumpkinator | Thomas Jefferson / Remy Buxaplenty | Stephen Hawking / Rocket | Binky | Geek Boy / Sanjay | Sanjay's Dad | Binky / Remy Buxaplenty | Shallowgrave / All Fish | Sharks / The Wands | Capt. Green | One Villian / Binky | Sanjay | Elmer | Bob | Van Helsing / Sanjay | Bob | Agent #1 | 56 Episodes |
| • Daran Norris | voiced | Jorgen Von Strangle | Protozoa #2 / Jorgen, Dog#2, Crimson Chin, Turbo Timmy / Pappy / Additional Voices / Cleaning Guy | Anti-Cosmo | General | Jorgen Von Strangle / Jorgen Von Strangle | Announcer / Shakespeare | Football Player #1 | George Washington / Mr. Turner / Sergeant Punch(Dad Overboard) / Cop #1 | Older Doctor / Crash Nebula | TV Announcer | Mange / Guard / Jorgen Von Strangle | Loud Speaker | Guard #2 | Reporter / Crash Nebula | Archeologist / Crimson Chin / Jorgen Von Strangle | Crash Nebula / Umpire | Wrestling Announcer / Wizard / Crimson Chin | Mr. Buxaplenty | Jorgen Von Strangle / Jorgen Von Strangle | April Fool / Mr. Buxaplenty | Crash Nebula / Gorilla #2 / TV Announcer | Janitor / Jorgen Von Strangle | Bomb Timer / Countdown Voice / Jorgen Von Strangle / Jorgen Von Strangle | Papa Cosmo / TV Announcer / Announcer / Bouncer / Old Man / April Fool | Pa Turnbaum / Jorgen Von Strangle | Minister / Mouse / Man / Napoleon / Frankie / Jorgen Von Strangle | George Washington / Jorgen Von Strangle | Computer Voice / Hippo Head / Scientist #1 | 55 Episodes |
| • Jim Ward | voiced | Chet Ubetcha, Bouncer, Lawn Gnome, Spokes-Fairy, Fan / Gil, Pa Speevak / Chet Ubetcha | Mr. Joel | Blackbird | Doug Dimmadome | Additional Voices / Sylvester Calzone / Chet Ubetcha | Lewis | Clown | Football Center | Carny Boss | Strong Man / Chet Ubetcha / Doug Dimmadome / Brad / Band Leader / Mr. Bickles(Lights Out) / Chet Ubetcha | Record Executive | Santa | Beethoven / Chet Ubetcha | Salt Guy | Anti-Fairy | Photographer / Chet Ubetcha | Fan #1 | Bankee #1 / Chet Ubetcha | Palace Guard | Polar Bear / Attila | Sir Finkleberg | Merlin / Chet Ubetcha | Doug Dimmadome / Benjamin Franklin | Taxman / Gorilla #1 | Gorilla #3 | Chinese Restaurant Guy | Scientist / Chet Ubetcha | Mr. Rodgers Guy / Chet Ubetcha | Record Company Guy | Doug Dimmadome / Chet Ubetcha | Doug Dimmadome | NASA Guy | Computer Voice | Crusher | Sylvester Calzone | Gladiator / Chet Ubetcha | Business Man #2 / Chet Ubetcha | General | Doug Dimmadome | Spanish DJ / Fairy Coach | Fairy Waiter / Chet Ubetcha | Mob Person #1 / Chet Ubetcha | Scientist | General | Vic / Chet Ubetcha | Doug Dimmadome | Other Team Player / Chet Ubetcha | Orderly #2 / Chet Ubetcha | Dale Dim / Chet Ubetcha | Dr. Rip Studwell | Canadian Police #2 | Cop #2 | Executioner / Chet Ubetcha | Mr. Bickles | Cowboy | Abominable Snowman | TV Announcer / Chet Ubetcha | Short Fuse / President | Agent | Golf Announcer / Wet Willie | Dark Mark | Super Sam | Doug Dimmadome / Famous Director / Ricky | Computer / Sherlock | Porthos | Dr. Frankenstein | Ahab | Sailor #1 | Monster Hunk / Mr. Bickles | Minister | Ghost Pirate / Radio Announcer | Elvis | Polar Bear | Walla / Luther | Irish Fairy | Mr. Bickles | Elvis | 5 Star General / Chet Ubetcha | Mr. Bickles / Cop #1 / Mr. Bickles / Director | Announcer / Chet Ubetcha | Tootie's Dad | Mike E. / Mr. Bickles | Vicky's Dad / Chet Ubetcha | Cabbie / Chet Ubetcha | Executive #2 | Fairy Walla / Chet Ubetcha | Flunky / Doug Dimmadome | Buyer | Uncle Piero | Tony Two Cans / Chet Ubetcha | The Sun | Aviator | Big Brain | 52 Episodes |
| • Tara Strong | voiced | Tad | Anger / Britney Britney | Receptionist Fairy | Snooty Fairy #1 / Australian Kid / Gigglepies | Overlord Blee / Girl #1 | Girl #2 / Supermodel / Sanjay's Mom / Britney Britney | Try-out Girl / Mandie / Tad | Kid #1 | Booth Attendant / Catkid Mom | Tootie's Mom / Kid #1 | Lawn Mower Kid / Blonda / Sprout / Paula Poundcake | Vicky's Mother | Additional Voices / Kimmy / Poof / Daughter / Teddy Bear / Twinkle / Country Boy | Girl #1 | Female Fairy #1 / Cow | Fan #1 | Blob #1 | Blob #2 | Fairy #2 / Girl Fan #1 | 8 Year Old Girl | Swing Kid / Girl #1 | Kid #1 / Baseball Kid | Long Face Kid / Child / Phone Lady / Tad / Nerd #2 / Tad | Popular Girl / Kid #1 | Fairy #1 / Tad | Fairy #2 / Mob Person #2 / Kid / Baby | Beverly | Boy / Baby Walla | Tad / Joan Jet | Tad / Little Boy | Tad / Villager #1 / Britney Britney / Blonda Viena Fairywinkle | Man-Die / Sammy / Fairy Mom | Fairy Daughter / Baby Flappy / Blonda Viena Fairywinkle / Orphan Walla | Man-Die / Cartoon Kid | Robo-Maid | 49 Episodes |
| • Susan Blakeslee | voiced | Older Lady | Woman / German Den Mother, Creampuff#2, Bystander#2 / Galaxandra / Old Lady / Wanda / Teacher One / Princess Fairy | Sophie / Lady Goat | Fairy #3 / Kid #2 | Kid #3 | Rooster / Spanish Teacher | Anti-Wanda / Fan #2 / Mrs. Buxaplenty / Game Voice / Computer Voice / Snooty Fairy #2 / Woman #1 / Astronaut Mom / Fairy #1 / Bearded Lady / Mrs. Dinkleberg / Unseen Voice / H2Olga | Museum Worker / Ma Turnbaum / Elmer's Mom / Firewoman | Writer's Mom / Girl | Lunch Lady / H2Olga / Woman in Crowd / Generic Boy / Susie / Florence / Mrs. Dinkleberg | Flooky / Robo-Teacher / Ms. Doombringer / Gigglepies | 37 Episodes |
| • Gary Leroi Gray (1) | voiced | AJ / AJ | Kid #2 / AJ | Jock / AJ | Executive #1 | Fairy Walla / AJ | Scientist #2 | Cadet #3 | 33 Episodes |
| • Jason Marsden | voiced | Aladdin, Guard / Chester McBadbat | Jonny Hunt | Jeff | Additional Voices / Chester McBadbat / Chester McBadbat | Geek #1 / Chester McBadbat | Gary / Chester McBadbat | Milkman / Chester McBadbat | Pizza Guy | Less Cool Kid | Agent / Winston Dunsworth | Ring Wraith / Chester McBadbat | Jason / Chester McBadbat | Ride Attendant / Chester McBadbat | Guy #1 | Monster / Ben Franklin / Chester McBadbat | Fiary Walla / Chester McBadbat | Kid Reporter #1 / Chester McBadbat | Mean Cadet / Chester McBadbat | Driver | 28 Episodes |
| • Faith Abrahams | voiced | Francis / Francis | Man #2 | Jock / Francis | Kid #1 | Customer / Francis | Neighbor | Bully #1 / Woman #2 / Francis | Ape #1 | Female Ape #1 / Francis | Woman Wrestler / Francis | Female Lifeguard / Francis | Lunch Lady / Kid Walla | 26 Episodes |
| • Rob Paulsen | voiced | Walt Kidney | Tour Guide | Pettiness | Male Stomach Flu | Physicist / Bucky McBadbat | Bankee Coach / Mark Chang | King Grippulon | Gary / Mark Chang | Nerd #3 / Bucky McBadbat / Bucky McBadbat | Other Bob | Agent #2 | Mark Chang | King Grippulon / Carl, Annoucer / Mark Chang | Dee Jay / Mark Chang | King Grippulon / Mr. Birkenbake | Mason / Bucky McBadbat | Emergency Response Guy / Mark Chang / Mark Chang | Pultran / Mark Chang | King Grippaulon / Carl / Bucky McBadBat | Mr. Birkenbake / Gary | 25 Episodes |
| • Frankie Muniz | voiced | Chester McBadbat | 25 Episodes |
| • Dionne Quan | voiced | Trixie Tang | 22 Episodes |
| • Butch Hartman | voiced | Santa Claus, Penguins, Sun, Scientists / Bus Driver | Protozoa #1 | Tinkerbell | Rocket Scientist | Cow | Anti-Body #1 / Comic Dealer | Actor | Cop #2 | Gardener | Driver | Hamster / Race Official | Additional Voices / President | Park Patron / Dr. Rip Studwell / Father | Jail Cop | Football Coach / Computer Voice | Alien Captain / Bus Driver | Announcer / Monster | Pirate | Fish | Guard #1 | Molar Dog | Fairy #4 / Guard | Kid #1 / TV Announcer | Bouncer | Soap Actor / Erik | Yugopotamian Male / Ticket Guy | Panting Guy / Bodyguard #1 / Erik / Cherub | Game Show Host / Flashback Boy | Web Eared Guy | Kid #3 | Orderly / CIA | Fairy #1 / Crowd Member #1 | Crowd Member #3 / Dr. Bender | 22 Episodes |
| • Ibrahim Haneef Muhammad | voiced | AJ / AJ | Kid #2 | 16 Episodes |
| • Kevin Michael Richardson | voiced | AJ's Dad / D'araguo | Monk | Tarzan / Future AJ | Mr. Turner's Boss | Snoop | Additional Voices / Dark Laser / Vladimir the Russian Sailor / Emperor | Technician | Arnold Schwartzengerman / Bad Guy | Business Man / AJ's Dad | Double T in the Morning / Play Narrator | 15 Episodes |
| • Jay Leno | voiced | Crimson Chin / Crimson Chin | Nega-Chin / Crimson Chin | Nega-Chin | Charles Hampton Indigo / Crimson Chin | Charles Hampton Indigo | 9 Episodes |
| • Guy Moon | voiced | Singer | 7 Episodes |
| • Tom Kenny | voiced | Cupid / Cupid | Artist / Cupid, Bucky's Agent, Government Agent #1, Fairy Newscaster / Cupid | Man #2 / Cupid | Kid #4 | Food Cart Guy | Sergeant | Announcer | 6 Episodes |
| • Laraine Newman | voiced | Queen Jipjurrulac | 6 Episodes |
| • S. Scott Bullock | voiced | Potsie Kid | Skipper / Flappy Bob / TV Host | Wrestler | Bird / Sanjay's Brother | Fisherman / King Greg | Atlantean Lawyer | Kraken | Cop / Soda Jerk | Store Owner | 6 Episodes |
| • Chris Kirkpatrick | voiced | Chip Skylark | Skip Sparkypants / Chip Skylark | 6 Episodes |
| • Ben Stein | voiced | Pixies / Head Pixie | Sanderson | 5 Episodes |
| • Jane Carr | voiced | Mama Cosma / Mama Cosma | Fairy #3 | 5 Episodes |
| • Adam West | voiced | Himself / Catman | 5 Episodes |
| • Cara Newman | voiced | Additional Voices / Anchor Woman / Game Show Contestant / Flashback Girl | Gorilla Business Woman / Nanette Ubetcha | Crowd Member #2 | 5 Episodes |
| • Carolyn Lawrence (3) | voiced | Cindy Vortex / Cindy / Ms. Sunshine | 4 Episodes |
| • Debi Derryberry | voiced | Jimmy Neutron / Jimmy, Fairy | 4 Episodes |
| • Matthew W. Taylor | voiced | Sparky | 4 Episodes |
| • Norm MacDonald | voiced | Norm the Genie | 3 Episodes |
| • Gilbert Gottfried | voiced | Dr. Bender | Wendell Bender | 3 Episodes |
| • Crystal Scales | voiced | Libby | 3 Episodes |
| • Gary Sturgis | voiced | The Eliminator | 3 Episodes |
| • Jeffrey Garcia (1) | voiced | Sheen | 3 Episodes |
| • Brendan Fraser | voiced | Turbo Thunder | 3 Episodes |
| • Megan Cavanagh | voiced | Judy Neutron | 3 Episodes |
| • Frank Welker | voiced | The Emotions / Goddard | 2 Episodes |
| • Mark Gibbon | played | Jorgen Von Strangle | 2 Episodes |
| • Patrick Warburton | voiced | M.E.R.F. Agents | 2 Episodes |
| • Daniella Monet | played | Tootie | 2 Episodes |
| • Jeff Bennett | voiced | Fairy Agent #2 / Dr. Moist | 2 Episodes |
| • Phil LaMarr | voiced | Bolbi Stroganovsky / Mr. Pfeiffer | 2 Episodes |
| • Andrea Martin | voiced | Ms. Fowl | 2 Episodes |
| • Method Man | voiced | Rapping Pixies / Pixie Sanderson (singing rap) | 2 Episodes |
| • Mark DeCarlo | voiced | Hugh Neutron | 2 Episodes |
| • Drake Bell | played | Timmy Turner | 2 Episodes |
| • Tony Sirico | voiced | Big Daddy | 2 Episodes |