Timmy Turner / Paula Poundcake / Vicky's Mom / Tammy / Tommy (voice)
Cosmo / Dad / Cop #1 / T.V. Announcer / Cat / Man with Eyepatch / Comet (voice)
Wanda / Mom / Snoop's Friend #2 (voice)
Vicky / Tootie / Pup Tart / Babysitter Robot (voice) (as Grey DeLisle)
Dinkleburg / Tony Futurelli / Mr. Crocker / Chuckie Black's Friend / Jerry / Duck / Clown / Maho Mushi Announcer / Sushi Salesman / Taxi Driver (voice)
Chester McBadbat / Johnny Hunt / Jeff / Kid #2 / Kid #3 / Johnny Hunt's Bearded Friend / Snoop's Friend #1 (voice)
A.J. (voice)
Big Kid / Kid #1 / Heavy Hal's Friend / Johnny Hunt's Indian Friend / Snowman / Gibberish Man (voice) (as Dee Baker)
Future AJ / Dad's Boss / Snoop / Heavy Hal / Donnie Donut / Wrestler #2 / Speed Racer's Dad / Vicky's Dad (voice)
Chet Ubetcha / Mr. Joel / Blackbird / Doug Dimmadome / Cop #2 / Tony's Dog / Politically Inaccurate Host (voice)
T.V. Host / Wrestler #1 / Bird (voice) (as Scott Bullock)
Race Official (voice)
Adam West (voice)
Additional Voices (voice)
Future Timmy (voice)
Chip Skylark (voice) (archive sound) (uncredited)
Bucky McBadbat (voice) (uncredited)
Timmy Turner (18 years old) (uncredited)