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 Mekhi Phifer Dr. Gregory Pratt Actor Don Cheadle Paul Nathan Guest Star Tom Everett Scott Eric Wyczenski Guest Star Nora Zimmett Alison DeLuca Guest Star Lake Bell Jody Holmes Guest Star Deborah May Mary Cain Guest Star Elizabeth Rice Sara Pasbalas Guest Star Abraham Benrubi Jerry Markovic Guest Star Laura Cerón Guest Star Deezer D Nurse Malik McGrath Guest Star Yvette Freeman Nurse Haleh Adams Guest Star Peter Mackenzie Mr. Pasbalas Guest Star John Wells Executive Producer Michael Crichton Executive Producer Neal Baer Executive Producer Jack Orman Executive Producer