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 Ming-Na Wen Actor Sherry Stringfield Dr. Susan Lewis Actor Mekhi Phifer Dr. Gregory Pratt Actor Linda Cardellini Nurse Samantha Taggart Actor Thandiwe Newton Makemba 'Kem' Likasu Guest Star Michael Gross John 'Jack' Carter Jr. Guest Star Parminder Nagra Dr. Neela Rasgotra Guest Star Scott Grimes Dr. Archie Morris Guest Star Daniel Dae Kim Ken Sung Guest Star Maury Sterling Dr. Nelson Guest Star Abraham Benrubi Jerry Markovic Guest Star Yvette Freeman Nurse Haleh Adams Guest Star Patrick Kerr George Deakins Guest Star Laurence Cohen Guest Star John Wells Executive Producer Michael Crichton Executive Producer Neal Baer Executive Producer Jack Orman Executive Producer