Dylan Walsh Dr. Sean McNamara Actor Julian McMahon Dr. Christian Troy Actor John Hensley Matt McNamara Actor Joely Richardson Julia McNamara Actor Valerie Cruz Grace Santiago Actor Gerry Becker Robert Bartholomew Guest Star Sophia Bush Ridley Lange Guest Star Kelly Carlson Kimber Henry Guest Star Alex Carter Cliff Mantegna Guest Star Kate Mara Vanessa Bartholomew Guest Star Phillip Rhys Chaudhary Jude Sawyer Guest Star Julie Warner Megan O'Hara Guest Star Phina Oruche Mia Guest Star Cyd Strittmatter Mrs. Bartholomew Guest Star Sydney Walsh Alexi Lange Guest Star Belinda Waymouth Vivian Schiraldi Guest Star Joleigh Fioravanti Eurasian Girl Guest Star Linda Klein Nurse Linda Guest Star Audra Wise Kimber's Girl Guest Star Darcy Donavan Christian's Patient Guest Star