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 Ted Marcoux Derek Fossen Guest Star Victor Williams Roger McGrath Guest Star Elizabeth Mitchell Dr. Kim Legaspi Guest Star Peter Onorati Officer Nick Napolitano Guest Star Lily Mariye Nurse Lily Jarvik Guest Star Troy Evans Frank Martin Guest Star J.E. Freeman Mr. Jeffries Guest Star Yvette Freeman Nurse Haleh Adams Guest Star Laura Cerón Nurse Chuny Marquez Guest Star Liane Curtis Mrs. Shayotovich Guest Star John Wells Executive Producer Michael Crichton Executive Producer Neal Baer Executive Producer Jack Orman Executive Producer