Jim Varney's recurring dim-bulb character Ernest P. Worrell returns in this film as a school janitor seeking to obtain a high school diploma.
| Actor | Role |
|---|---|
 Jim VarneyErnest P. Worrell | Ernest P. Worrell |
 Linda KashGerta | Gerta |
 Bill ByrgeBobby | Bobby |
 Jason MichasDonald | Donald |
 Sarah ChalkeDaisy | Daisy |
 Gabe KhouthRodney | Rodney |
 Corrine KosloMiss Flugal | Miss Flugal |
 Will SassoRussell | Russell |
 Duncan FraserCoach Decker | Coach Decker |
| RRussell PorterBrad | Brad |
 Bruce ArntsonChick Hansen | Chick Hansen |
 French TicknerPrincipal Procter | Principal Procter |
 Kevin McNultyAxwell (as Kevin Mcnulty) | Axwell (as Kevin Mcnulty) |
 Ron RobinsonCoach Carson | Coach Carson |
 Judith MaxieMs. Nichols | Ms. Nichols |
| FFran GebhardMiss Cosgrove | Miss Cosgrove |
 William SamplesMr. Peyton | Mr. Peyton |
| BBetty LindeMiss Boyd | Miss Boyd |
 David KeithSquint Westwood | Squint Westwood |
 Lorena GaleHistory Teacher | History Teacher |
 Michael RoberdsServer | Server |