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 Quentin Costa Actor Kelly Carlson Kimber Henry Actor Vanessa Redgrave Dr. Erica Noughton Guest Star Kathy Lamkin Momma Boone Guest Star J.E. Freeman Denny Boone Guest Star Conor O'Farrell Detective Fischman Guest Star Phillip Rhys Chaudhary Jude Sawyer Guest Star Alex Alexander June Boone Guest Star Kelsey Batelaan Annie McNamara Guest Star Rhona Mitra Kit McGraw Guest Star Antonio D. Charity Fireman Guest Star Linda Klein Nurse Linda Guest Star Alex Wexo EMT Guest Star Suzanne Whang Nurse Lee Guest Star