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 Diane Delano Stella Willis Guest Star David Barrera Felix Hernandez Guest Star Alexandra Kyle Marlene Guest Star Willis Burks II Thomas Guest Star Sam Anderson Dr. Jack Kayson Guest Star Abraham Benrubi Jerry Markovic Guest Star Laura Cerón Guest Star Deezer D Nurse Malik McGrath Guest Star Kristin Minter Randi Fronczak Guest Star Katherine LaNasa Janet Wilco Guest Star Thomas Wilson Brown Guest Star John Wells Executive Producer Michael Crichton Executive Producer Neal Baer Executive Producer Jack Orman Executive Producer