The 8th Plague is the story of a woman named Launa who is investigating the disappearance of her sister, Nikki. Nikki had gone camping in the mountain town of Halcyon Springs and never came back. Becoming more and more frustrated, Launa realizes that she must find her sister on her own with the help of Mason, a mysterious local man with a shadowed past.
| Actor | Role |
|---|---|
 Leslie Anne ValenzaLauna | Launa |
| TTerry JerniganBuck | Buck |
| DDJ PerryMason | Mason |
 Charles Edwin PowellCurtis | Curtis |
 Nitin AdsulKadulva | Kadulva |
| HHollis McLachlanCrystal (as Hollis Zemany) | Crystal (as Hollis Zemany) |
| JJonathan RockettGavin | Gavin |
| LLaura ChavesNikki | Nikki |
| PPaul BugelskiStiver | Stiver |
 Syn DeVilDeanne | Deanne |
| BBryant SullivanPossessed Man | Possessed Man |
| AAkizou SamMark | Mark |
| CCarl Anthony TramonOffice Stalker | Office Stalker |
| EErik FonesGrounds Keeper | Grounds Keeper |
| EElizabeth BuchananGirl in Cemetery | Girl in Cemetery |
| AAndrew CentofanteTower Demon/Wheel Chair Patient | Tower Demon/Wheel Chair Patient |
| MMark MorrisseyOrange Jump Suit Demon | Orange Jump Suit Demon |
| CCarl Robert NortonOne-Eyed Demon | One-Eyed Demon |
| JJared MichalskiBlue Jump Suit Demon | Blue Jump Suit Demon |
| PPeter BaishDemon in Woods | Demon in Woods |
| PPaul GoldblattOrderly | Orderly |
| TTimolin ShalaNurse | Nurse |
| EEster AmoralHot Tamale Girl | Hot Tamale Girl |
| IIsobel WrenHot Tamale Girl | Hot Tamale Girl |