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, Director Alex Kingston Dr. Elizabeth Corday Actor Goran Visnjic Dr. Luka Kovac Actor Maura Tierney Abby Lockhart Actor Paul McCrane Robert Romano Actor Michael Michele Cleo Finch Actor Ming-Na Wen Actor Hallee Hirsh Actor Sherry Stringfield Dr. Susan Lewis Actor Frances Sternhagen Millicent Carter Guest Star Bellamy Young Grace Guest Star Sharif Atkins Guest Star Julie Delpy Nicole Guest Star Laura Cerón Nurse Chuny Marquez Guest Star Deezer D Nurse Malik McGrath Guest Star Yvette Freeman Nurse Haleh Adams Guest Star Bellina Logan Nurse Kit Guest Star David Brisbin Dr. Alexander Babcock Guest Star Dan Byrd Russ Guest Star John Wells Executive Producer Michael Crichton Executive Producer Neal Baer Executive Producer Jack Orman Executive Producer