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 Sherry Stringfield Dr. Susan Lewis Actor Eriq La Salle Dr. Peter Benton Actor Sharif Atkins Actor Sam Anderson Dr. Jack Kayson Guest Star Laura Cerón Guest Star Deezer D Nurse Malik McGrath Guest Star Troy Evans Frank Martin Guest Star Yvette Freeman Nurse Haleh Adams Guest Star Kristin Minter Randi Fronczak Guest Star Montae Russell Dwight Zadro Guest Star Robert Bailey Jr. Pete Royson Guest Star P.J. Byrne Ken the Kiosk Man Guest Star John Wells Executive Producer Michael Crichton Executive Producer Neal Baer Executive Producer Jack Orman Executive Producer