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 Sharif Atkins Actor Mekhi Phifer Dr. Gregory Pratt Actor Leslie Bibb Erin Harkins Guest Star Michael Ealy Rick Kendrick Guest Star Brittney Lee Harvey Hockey Player Guest Star Evgeniy Lazarev Ivo Guter Guest Star Abraham Benrubi Jerry Markovic Guest Star Laura Cerón Guest Star Troy Evans Frank Martin Guest Star Lily Mariye Nurse Lily Jarvik Guest Star Montae Russell Dwight Zadro Guest Star Gedde Watanabe Nurse Yosh Takata Guest Star John Wells Executive Producer Michael Crichton Executive Producer Neal Baer Executive Producer Jack Orman Executive Producer