When an unknown alien force threatens a high school, the teachers must team up, to fight back against the invaders, in an attempt to stop an otherworldly parasite from escaping, and taking over the world.
| Actor | Role |
|---|---|
 Kansas BowlingEvie Tucker | Evie Tucker |
 Tamara GlynnDebbie Spencer | Debbie Spencer |
| AAdam ProbetsRudy Ledbetter | Rudy Ledbetter |
 Peter WatsonMartin Stokes | Martin Stokes |
 Kitty SudberyEvie | Evie |
| JJon-Paul GatesCaretaker | Caretaker |
| JJude ForseyBrad Vickers | Brad Vickers |
| DDarren WhitfieldMark Miles | Mark Miles |
| JJames BarnesSully Vickers | Sully Vickers |
| LLisa PoismanRose Matthews | Rose Matthews |
| KKatie Richmond-WardClaire Smith | Claire Smith |
| SSophie BullockAlice Brooklyn | Alice Brooklyn |
| NNatalie BiggsHelen Stoke | Helen Stoke |
| MMadison SwallowAmber | Amber |
 Nathan L WellerChris Walker | Chris Walker |
| IIlirian BushiJacob | Jacob |
 Emily AskewSarah Miles | Sarah Miles |
 May WellerCafe worker | Cafe worker |
| SSadie KimeEmily Winters | Emily Winters |
 Kit WellerGirl on phone in cafe | Girl on phone in cafe |
 William MarshallCarl | Carl |
| CCharlotte WallisMaxine | Maxine |