Inside a remote rehab sanatorium, four newly arrived patients, each one with a specific emotional damage, go through hell by discovering and enduring the vicious methods of the sinister doctor's treatments, attempting to stay alive.
| Actor | Role |
|---|---|
 Costas MandylorDr. Sutter | Dr. Sutter |
 Tom SizemoreMr. Wilkens | Mr. Wilkens |
| FFred LobinNoah Bishop | Noah Bishop |
 Jenny PerrisAlice | Alice |
| MMaik van EppleJoe | Joe |
 Vjekoslav KatušinLou Cefair / Luzifer | Lou Cefair / Luzifer |
| AAgnes BurgerEmily Coleman | Emily Coleman |
 Ahmet OztürkButler | Butler |
| IImer TairiRuru Tawera | Ruru Tawera |
| JJani ZomboriFranco | Franco |
| AAngelo BorerThe Stranger | The Stranger |
 Draško AnđićBelial | Belial |
| MMateo KlibaZrinko | Zrinko |
| DDavid SlajThe Beast | The Beast |
| RRaffael MayerWarden Leader | Warden Leader |
| PPascal FavreWarden #2 | Warden #2 |
| RReka Ria SakovityMilena | Milena |
| VVaso VulinJoe's Father | Joe's Father |
| AAnamarija LovrencicSutter's Daughter | Sutter's Daughter |
| MMarisa MattioliClare | Clare |