The Brookedale Psychiatric Hospital is a crumbling institution which barely has enough money to remain open. Formerly a prison, it sits atop a warren of tunnels and sewage system viaducts. But Brookdale has a secret - a secret known by only one person. There's something living in the tunnels - something that's developed a taste for human blood...
| Actor | Role |
|---|---|
 Sara DowningSamantha / Jennifer | Samantha / Jennifer |
| AAmy ParksMaureen | Maureen |
 Bailey ChaseJohnny Falls | Johnny Falls |
 Michael ZelnikerErnst | Ernst |
 Sean CullenLenny | Lenny |
| MMichael HagertyMichael | Michael |
 Tarri MarkelNaomi | Naomi |
 Ron PerlmanDr. William Winslow | Dr. William Winslow |
 Eileen GrubbaRose | Rose |
 Dessy TenekedjievaCypress | Cypress |
 Carla RahalBored Nurse | Bored Nurse |
 Mariana StanshevaRoberta | Roberta |
| AAnnie Nigh WardTV Reporter | TV Reporter |
 Denise DowseMatilda | Matilda |
| AAjani WilliamsScared Patient | Scared Patient |
| PPatrick DreikaussMorgan | Morgan |
| JJohn Paul YoungHans: The Exterminator | Hans: The Exterminator |
| MMattew BrunwasserPoliceman | Policeman |
| AAdam GieraschJim | Jim |
 Marco GrecoKevin | Kevin |
 Plamen ManassievAnnoyed Patient | Annoyed Patient |
 Atanas SrebrevReporter 1 | Reporter 1 |
| PPlamen TananeevBurly Security Guard | Burly Security Guard |
| BBrandon GrimesJack (uncredited) | Jack (uncredited) |