Robert PatrickDoctor H.H. Greiss Chace CrawfordJacob Martin Brandon T. JacksonDell Richards Nicole ForesterGenevieve Martin Milica GovichNurse Fletcher Ricky WayneDetective Frazer Jordan TrovillionGarage Girl Heather FairbanksNurse (uncredited) Amber WhelanMental Patient (uncredited) Camille Bresie CookeNurse Carter Annie KitralAdministrator Anthony BowdenUrban Explorer 1 Schuyler WhitesellUrban Explorer 2 Josh AspirantiFamiliar Orderly Mark RademacherGarage Owner Alan CohenSecurity Officer Mary Jo CupponeStaff Doctor Jim PorterfieldPast Security Officer Dan John MillerThe Patient Alastar DimitrieStudent 1 Jeremy PastoriaYoung Scott Jessica AshleyCandy Striper Sandro RodriguezOrderly 4 John DickersonOld Patient Michael James AlexanderOrderly (uncredited) Billie Rae BatesMental Patient (uncredited) Mary C. BlissMental Patient (uncredited) Michael Stephen BryantMental Patient (uncredited) Michael BugardMental Patient (uncredited) Tiffany BurnsNurse (uncredited) Deb FernandezNurse (uncredited) Michael HaaseFirefighter (uncredited) Laura HannaMental Patient (uncredited) Krystal HuffmanMental Patient (uncredited) Martin KlebbaMental Patient (uncredited) Thomas LeeMedical Intern (uncredited) Eric M. MyrickOrderly (uncredited) Rose Anne NepaMental Patient (uncredited) Wendy PetersonMental Patient (uncredited) Manny SandowOrderly (uncredited) George SederFirefighter (uncredited) Dawn TurchinStudent (uncredited) Christopher BorrelliScenariusz Jeff BuhlerExecutive Producer Don FossExecutive Producer Sean GowrieExecutive Producer Linden D. NelsonExecutive Producer David F. WeintraubCo-Producer Lisa ZambriExecutive Producer Bill BoesProduction Design Gary WarshawArt Direction Kim ThrasherSet Decoration Antonio RiestraDirector Of Photography Courtney HoffmanCostume Design Amber HarleyScript Supervisor Ronen LandaOriginal Music Composer Mikel HurwitzMusic Editor Chris KuhlProduction Supervisor Ian LineCasting Assistant Dave KriegerLocation Manager Julie Sifuentes EtheridgeProduction Coordinator