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 Anne Heche Nicole Morretti Guest Star Kathy Baker Gail Pollack Guest Star John Patrick Amedori Max Pollack Guest Star Meagen Fay Mrs. Bolton Guest Star Alan Feinstein Mr. Bolton Guest Star Blair Williamson Tommy Bolton Guest Star Tanner Richie Austin Morretti Guest Star Steve Sandvoss Evan Bolton Guest Star Darby Stanchfield Aimee Bolton Guest Star Bob Gunton Agent Sagamore Guest Star Aaron Cash Dancer Guest Star Linda Klein Nurse Linda Guest Star Jordi Caballero Quentin - Dance Double Guest Star