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 Elizabeth Mitchell Dr. Kim Legaspi Guest Star Lourdes Benedicto Rena Trujillo Guest Star Mik Scriba James' Father Guest Star Yvette Freeman Nurse Haleh Adams Guest Star Deezer D Nurse Malik McGrath Guest Star Vincent Angell Det. Graham Guest Star Dwayne Barnes Officer Hunt Guest Star Frances Bay Georgia Guest Star David Brisbin Dr. Alexander Babcock Guest Star Timilee Romolini Deirdre Jeffries Guest Star Alex Solowitz James, Mr. Midnight Guest Star John Wells Executive Producer Michael Crichton Executive Producer Neal Baer Executive Producer Jack Orman Executive Producer