Season Finale: In the aftermath of the tragedy befalling the ER, it’s a seemingly ordinary day with the usual collection of patients. But soon, the day becomes anything but ordinary as two prisoners intent on escape come to the ER for treatment, along with a hidden conspirator. Their desperate actions place one doctor in harm’s way, and forces one nurse to become a tool in their plan. Soon, gunshots ring out, another doctor hits the floor, and a staff member’s life is in jeopardy. The medical staff rush to the aid of the injured and quickly discover one of their own is missing!
Elenco: Maura Tierney , Parminder Nagra , Scott Grimes , Linda Cardellini , John Stamos , David Lyons , Angela Bassett , Laura Innes , Lily Mariye , Linda Cardellini , Maura Tierney , Mekhi Phifer , Noah Wyle , Parminder Nagra , Scott Grimes , Sherry Stringfield , Yvette Freeman , Eriq La Salle , Kellie Martin , John Stamos , Michael Michele , Erik Palladino , Angela Bassett , David Lyons , Chase Masterson , Swoosie Kurtz , Lisa Vidal , Laura Cerón .