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 Ming-Na Wen Actor Sherry Stringfield Dr. Susan Lewis Actor Sharif Atkins Actor Mekhi Phifer Dr. Gregory Pratt Actor Stephi Lineburg Elle Reiser Guest Star Glenn Howerton Dr. Nick Cooper Guest Star Bruno Campos Dr. Eddie Dorset Guest Star Parminder Nagra Dr. Neela Rasgotra Guest Star Simone-Elise Girard Gillian Guest Star Scott Grimes Dr. Archie Morris Guest Star Abraham Benrubi Jerry Markovic Guest Star Conni Marie Brazelton Nurse Connie Oligario Guest Star Ellen Crawford Nurse Lydia Wright Guest Star Deezer D Nurse Malik McGrath Guest Star Troy Evans Frank Martin Guest Star John Wells Executive Producer Michael Crichton Executive Producer Neal Baer Executive Producer Jack Orman Executive Producer