Anthony Edwards Dr. Mark Greene Actor 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 Eriq La Salle Dr. Peter Benton Actor Kathleen Wilhoite Chloe Lewis Guest Star Harold Surratt Reverend Ed Guest Star Kyle Richards Nurse Dori Guest Star Sharif Atkins Guest Star Amy Carlson Alex Taylor Guest Star Molly Price NYPD Officer Faith Yokas Guest Star Kim Raver FDNY Paramedic Kim Zambrano Guest Star Jason Wiles NYPD Officer Maurice Boscorelli Guest Star Joe Lisi Lieutenant Swersky Guest Star John Wells Executive Producer Michael Crichton Executive Producer Neal Baer Executive Producer Jack Orman Executive Producer