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 Sharif Atkins Actor Parminder Nagra Dr. Neela Rasgotra Actor Mekhi Phifer Dr. Gregory Pratt Actor Linda Cardellini Nurse Samantha Taggart Actor Thandiwe Newton Makemba 'Kem' Likasu Guest Star Paul Blackthorne Dr. Jeremy Lawson Guest Star Steven Culp Dave Spencer Guest Star Laura Cerón Nurse Chuny Marquez Guest Star Troy Evans Frank Martin Guest Star Demetrius Navarro Morales Guest Star Rossif Sutherland Lester Kertzenstein Guest Star Corbin Allred Doug Guest Star Nadège August Mrs. Lemonier Guest Star Sterling K. Brown Bob Harris Guest Star John Wells Executive Producer Michael Crichton Executive Producer Neal Baer Executive Producer Jack Orman Executive Producer