Terence/The Fairly Oddparents

Bertie as Timmy

Wendy Testaburger (from South Park) as Timmy's Mom

Stan Marsh (from South Park) as Timmy's Dad

Thomas as Chester's Rat

Terence as Cosmo

Madge as Wanda

Judge Judy the Diesel as Vicky

Lady as Trixie

James as AJ

Peter Sam as Chester

Luke as Elmer

Skarloey as Sanjay

Mavis as Veronica

Bash as Tad

Dash as Chad

Cranky as Mark

Isobella as Mandie

Puffa (from TUGS) as Crimson Chin

Oliver as Binky

George as Francis

Edward as Jorgen Von Strangle

Lorry 2/Lorry 3 as Juandissimmo

Elizabeth as Blonda

Emily as Genderal Waxeplex

The Spiteful Breakvan as Mr Crocker

Percy as Chet

Wilbert (from RWS) as Chip

Tillie/Georgia (from The Little Engine That Could) as Tooth Fairy

Duncan as Remy

BoCo as Bucky

Evil Terence as Anti-Cosmo

Evil Madge as Anti-Wanda

Smudger as Norm

Trucks (from Terence and The Trucks, Terence and The Breakdown Train, Dirty Objects, Pop Goes the Breakvan, and Dirty Work) as The Robots Becoming Evil

Good Trucks as Nice Robots

Bluenose (from TUGS) as Gary

Splatter as Pokernatior

Dodge as Darth Bliazer

Toby as Superbike

Water Tower as Super Toilet

Arry/Bert as Servace

Truck as Alien Robot

Trucks as Elimaters

Another Truck as Turbo Thunder

Evil Engines as Anti-Fairies

Whiff as Pappy

Pokeye as Himself

Pokeye Enemy as Himself

TV Characters (from Mario, SuperTed, The Simpsons, Sesame Street and Family Guy) as The Old Cartoon

Characters on TV

Fergus as Poof