Cast[]
Part I[]
- Silica Terrell Keasler/Serena Taylor Keasler Tunestool (South Carolina World) as Jimmy Neutron
- Videl as Carl Wheezer
- Bulma as Sheen Estevez
- Nami as Cindy Vortex
- Peach as Libby Folfax
- Tina as Goddard
- Brittany Miller as Judy Neutron
- Alvin Seville as Hugh Neutron
- Silica Terrell Keasler/Serena Taylor Keasler Tunestool (Georgia World) as Timmy Turner
- Timmy Turner as Cosmo Cosma
- Trixie Tang as Wanda Fairywinkle-Cosma
- King Dedede as Denzel Crocker
- Tommy Pickles as Jorgen Von Strangle
- Freddie Benson as Chester McBadbat
- Carly Shay as A.J.
- Tuff as Mr. Turner
- Tiff as Mrs. Turner
- Shelby Marx as Vicky The Babysitter
- Shabadaba as Professor Calamitous
- Chaos as Shirley
Part II[]
- Silica Terrell Keasler/Serena Taylor Keasler Tunestool (Georgia World) as Carly Shay
- Silica Terrell Keasler/Serena Taylor Keasler Tunestool (South Carolina World) as Tori Vega
- Hannah Mulvoy Keasler as Steven Carson
- Jason David Mangram as Sam Puckett
- Katherine Elvin Mangram as Freddie Benson
- Jeffrey Gine Brunson, Donald Jared Martin, and Charlie Taylor Martin as Gibby Gibson
- Dianna Leigh Keasler as Spencer Shay
- Jaden Daniel Scott as Jade West
- Amy Maurice Scott as Cat Valentine
- Bonnie Leigh Keasler as Trina Vega
- Martin Mitchell Scott as André Harris
- Nathan Jamison Scott as Robbie Shapiro
- Lauren Jamison Scott as Rex
- Orlando Ethan James as Beck Oliver
- Ashlyn Joseph Scott as Erwin Sikowitz
- Anthony Gerald Johnson as Kenan Thompson