John Carter, a third-year medical student, begins the first day of his rotation in the ER at County General Hospital. Dr. Mark Greene, an ER resident physician, is mulling an offer to go into private practice. Dr. Susan Lewis, another ER resident, deals with a myriad of patients, including a patient with advanced cancer . Dr. Doug Ross, the ER pediatrician, confronts a woman over potential abuse of her son. The head nurse, Carol Hathaway, returns several hours after her shift as a patient, overdosing in an apparent suicide attempt.
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 .