Anthony Edwards Dr. Mark Greene Actor George Clooney Dr. Doug Ross Actor Sherry Stringfield Dr. Susan Lewis Actor Eriq La Salle Dr. Peter Benton Actor Noah Wyle Dr. John Carter Actor Julianna Margulies Head Nurse Carol Hathaway Actor Glenn Plummer Timmy Rawlins Guest Star Andrea Parker Linda Farrell Guest Star Sam Anderson Dr. Jack Kayson Guest Star Khandi Alexander Jackie Robbins Guest Star William H. Macy Guest Star CCH Pounder Dr. Angela Hicks Guest Star Kathleen Wilhoite Chloe Lewis Guest Star Keene Curtis Gilbert McCabe Guest Star Mike Genovese Officer Al Grabarsky Guest Star Beah Richards Mea Benton Guest Star Jeanne Mori Mrs. Bimley Guest Star