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 Michael Michele Cleo Finch Actor Erik Palladino Dave Malucci Actor Ming-Na Wen Actor Troy Evans Frank Martin Guest Star Jamie Marsh Mr. Kamtovik Guest Star Alex D. Linz Dennis Guest Star Laura Cerón Nurse Chuny Marquez Guest Star Lily Mariye Nurse Lily Jarvik Guest Star Kyle Richards Nurse Dori Guest Star Jorge Luis Abreu Security Guard Guest Star Rebecca Balding Ms. Garvey Guest Star Christine Cavanaugh Gloria Guest Star Kevin Durand Mr. Mooney Guest Star John Wells Executive Producer Michael Crichton Executive Producer Neal Baer Executive Producer Jack Orman Executive Producer