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 Lisa Vidal Sandy Lopez Guest Star Megalyn Echikunwoke Terry Welch Guest Star Klea Scott Joanne Guest Star Kyle Colerider-Krugh Martin Guest Star Sharif Atkins Guest Star Hallee Hirsh Guest Star Laura Cerón Nurse Chuny Marquez Guest Star Deezer D Nurse Malik McGrath Guest Star Yvette Freeman Nurse Haleh Adams Guest Star Lily Mariye Nurse Lily Jarvik Guest Star Lisa Lang Shelly Guest Star John Wells Executive Producer Michael Crichton Executive Producer Neal Baer Executive Producer Jack Orman Executive Producer