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 Sally Field Maggie Wyczenski Guest Star Yvette Freeman Nurse Haleh Adams Guest Star Troy Evans Frank Martin Guest Star Laura Cerón Nurse Chuny Marquez Guest Star Deezer D Nurse Malik McGrath Guest Star Kristin Minter Randi Fronczak Guest Star Lily Mariye Nurse Lily Jarvik Guest Star Kyle Richards Nurse Dori 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