Anthony Edwards Dr. Mark Greene Actor Eriq La Salle Dr. Peter Benton 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 Michael Michele Cleo Finch Actor Erik Palladino Dave Malucci Actor Ming-Na Wen Actor Michael Raynor Joseph Morgan Guest Star Lara Harris Regina Miller Guest Star Gerry Black Mr. Fletcher Guest Star Nancy Linehan Charles Glenda Walton Guest Star Rosemary Forsyth Judy Guest Star Conni Marie Brazelton Nurse Connie Oligario Guest Star Laura Cerón Nurse Chuny Marquez Guest Star Kristin Minter Randi Fronczak Guest Star Kyle Richards Nurse Dori 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