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 Sally Field Maggie Wyczenski Guest Star Patrick Fugit Sean Simmons Guest Star Jeff Perry Officer Mitch Palnick Guest Star Abraham Benrubi Jerry Markovic Guest Star Laura Cerón Guest Star Gedde Watanabe Nurse Yosh Takata Guest Star Elizabeth Morehead Mrs. Simmons Guest Star Michael Silver Dr. Paul Myers Guest Star John Wells Executive Producer Michael Crichton Executive Producer Neal Baer Executive Producer Jack Orman Executive Producer