Steve RailsbackDet. Jim Bishop Gwynyth WalshDr. Rachel Carson John VernonRoger Levering Susan AnspachDr. Judith Glass Peter Van WartOscar Willets Cynthia BelliveauAlice Bradley Philip AkinAnthony Rivers Laura DicksonDesk Nurse #1 Michael J. ReynoldsAlbert Hooper Michael CaruanaTechnician Gina WilkinsonNurse Michelle Tom FoxProductor ejecutivo Sandy HowardProductor ejecutivo Risa GertnerAsistente de producción Michael MasciarelliProductor ejecutivo Reuben FreedArt Direction Brenton SpencerDirector Of Photography Paul NovotnyCompositor de música original Patrick ColemanCompositor de música original Michael F. HooverCreature Design Todd MastersCreature Design Mark WilliamsCreature Design Steve NeillCreature Design 
