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 Mekhi Phifer Dr. Gregory Pratt Actor Parminder Nagra Dr. Neela Rasgotra Actor Linda Cardellini Nurse Samantha Taggart Actor Shane West Actor Eion Bailey Jack Scanlon Guest Star Leland Orser Dr. Lucien Dubenko Guest Star Tom Irwin Gabriel Milner Guest Star Chad Lowe Dr. George Henry Guest Star Yvette Freeman Nurse Haleh Adams Guest Star Lily Mariye Nurse Lily Jarvik Guest Star Montae Russell Dwight Zadro Guest Star Laura Leigh Hughes Mrs. Milner Guest Star Larry Bagby Second Reporter Guest Star Ed Bernard Mr. Klossey Guest Star John Wells Executive Producer Michael Crichton Executive Producer Neal Baer Executive Producer Jack Orman Executive Producer