Dylan Walsh Dr. Sean McNamara Actor Julian McMahon Dr. Christian Troy Actor John Hensley Matt McNamara Actor Joely Richardson Julia McNamara Actor Roma Maffia Dr. Liz Cruz Actor Bruno Campos Dr. Quentin Costa Actor Kelly Carlson Kimber Henry Actor Vanessa Redgrave Dr. Erica Noughton Guest Star Louis Mustillo Sal Perri Guest Star Mary Mara Natalie Holden Guest Star Sandy Martin Helen Holden Guest Star Mitch Pileggi Dr. Russell Marcus Guest Star Rick Fitts Airline Representative Guest Star Naja Hill Pregnant Woman Guest Star Ty Miller Airline Pilot Guest Star Ingrid Beer Karen Guest Star Cheryl Carter Nurse 2 Guest Star Olivia Fox Burned Woman Guest Star Kate Fuglei Nurse 3 Guest Star Hubert Hodgin EMS Employee Guest Star Anora Lyn Elana Guest Star Gwen Holloway Nurse 4 Guest Star Linda Klein Nurse Linda Guest Star K.T. Thangavelu Security Woman Guest Star Bergen Williams Nurse 1 Guest Star