A younger sister wishes to switch places with her popular older sister and the two bickering siblings awaken to find the wish has come true.
| Actor | Role |
|---|---|
 Katherine HeiglAlexia Wheaton | Alexia Wheaton |
 Danielle HarrisHayley Wheaton | Hayley Wheaton |
 Donnie JeffcoatKyle Harding | Kyle Harding |
| SScott WilkinsonBen Wheaton | Ben Wheaton |
| MMary Parker WilliamsNan Wheaton | Nan Wheaton |
 Lois ChilesMittermonster | Mittermonster |
 Ivey LloydCaitlin Sheinbaum | Caitlin Sheinbaum |
| MMatt BarkerSimon | Simon |
 Jacque GrayKazumi | Kazumi |
 Kari WhiteTalley | Talley |
| JJanuary SorensenSabrina | Sabrina |
 Dane StevensMr. Frauenfleder | Mr. Frauenfleder |
| MMark HofelingMr. Watson | Mr. Watson |
| TTrevor BlackPhotographer | Photographer |
| EEmily KlindtSenior Class President | Senior Class President |
| AAndy WestPanicked Boy | Panicked Boy |
| TTrent RockwoodBoy #1 | Boy #1 |
| RRichard GroveFan #1 | Fan #1 |
| JJosh JamesSenior Boy | Senior Boy |
| CCharles MettenInterview Man | Interview Man |
 Joyce CohenInterview Woman | Interview Woman |
| KKimi EncarnacionBand | Band |
| JJay Jay EncarnacionBand | Band |
| GGugut SalgadoBand | Band |
| TTim de PalaBand | Band |