Anthony Edwards Dr. Mark Greene Actor Eriq La Salle Dr. Peter Benton Actor Noah Wyle Dr. John Carter Actor Laura Innes Dr. Kerry Weaver Actor Alex Kingston Dr. Elizabeth Corday Actor Goran Visnjic Dr. Luka Kovac Actor Maura Tierney Abby Lockhart Actor Paul McCrane Robert Romano Actor Ming-Na Wen Actor Sherry Stringfield Dr. Susan Lewis Actor Sharif Atkins Actor Colton James Mickey Guest Star Mary McDonnell Eleanor Carter Guest Star Jeanette Brox Stacy Miller Guest Star Christina Hendricks Joyce Westlake Guest Star Dana Elcar Manny Kendovich Guest Star Hallee Hirsh Guest Star Laura Cerón Nurse Chuny Marquez Guest Star Yvette Freeman Nurse Haleh Adams Guest Star Bellina Logan Nurse Kit Guest Star David Brisbin Dr. Alexander Babcock Guest Star John Wells Executive Producer Michael Crichton Executive Producer Neal Baer Executive Producer Jack Orman Executive Producer