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 Eli Wallach Mr. Langston Guest Star Patrick Fugit Sean Simmons Guest Star Kyle Richards Nurse Dori Guest Star Megan Cole Dr. Upton Guest Star Elizabeth Morehead Mrs. Simmons Guest Star Laura Cerón 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