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 Sherry Stringfield Dr. Susan Lewis Actor Ming-Na Wen Actor Mekhi Phifer Dr. Gregory Pratt Actor Parminder Nagra Dr. Neela Rasgotra Actor Linda Cardellini Nurse Samantha Taggart Actor Shane West Actor Ray Liotta Charlie Metcalf Guest Star Sara Gilbert Jane Figler Guest Star Laura Cerón Nurse Chuny Marquez Guest Star Svetlana Efremova Impatient Woman Guest Star Amad Jackson Mr. Hughes Guest Star Francesco Quinn Dr. Alfonso Ramirez Guest Star Norbert Weisser Dr. Adler Guest Star Leland Orser Dr. Lucien Dubenko Guest Star Jonathan Joss Bert Guest Star Dallas McKinney Jeremy Guest Star John Wells Executive Producer Michael Crichton Executive Producer Neal Baer Executive Producer Jack Orman Executive Producer