| Cast list |
| Tara Strong | as | Young Timmy Turner/Paula Poundcake/Vicky and Tootie's Mom/Others (voice) |
| Daran Norris | as | Mr. Turner/Cosmo/Others (voice) |
| Susan Blakeslee | as | Mrs. Turner/Wanda/Others (voice) |
| Grey DeLisle | as | Vicky/Tootie/Others (voice) |
| Carlos Alazraqui | as | Denzel Crocker/Sheldon Dinkleburg/Dinkledog/Tony Futurelli/Man #1/Additional Voices (voice) |
| Jason Marsden | as | Chester McBadbatt/Jeff/Adult Chester/Johnny Hunt/Additional Voices (voice) |
| Gary LeRoi Gray | as | A.J. (voice) |
| Dee Bradley Baker | as | Big Kid/Additional Voices (voice) (as Dee Baker) |
| Kevin Michael Richardson | as | Adult AJ/Dad's Boss/Snoop/Donnie Donut/Additional Voices (voice) |
| Jim Ward | as | Chet Ubetcha/Mr. Joel/Doug Dimmadome/Blackbird/Additional Voices (voice) |
| S. Scott Bullock | as | T.V. Host//Wrestler #1/Bird/Man#2/Various (voice) (as Scott Bullock) |
| Butch Hartman | as | Race Official/Man on Puppet Show (from deleted alternate scene)/Additional Voices (voice) |
| Adam West | as | Himself (voice) |
| Cara Newman Ruyle | as | Additional Voices (voice) |
| Alec Baldwin | as | Adult Timmy Turner (voice) |
