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 Georg Stanford Brow James Sutherland Guest Star Ashley Crow Judge Guest Star Michael Cudlitz Brody Guest Star Larry Poindexter Mr Kintner Guest Star Doug Savant Joel Gideon Guest Star Kelsey Batelaan Annie McNamara Guest Star Denise Dowse Cecily Sutherland Guest Star Timothy V. Murphy Quinn Guest Star Jessalyn Gilsig Gina Russo Guest Star Matt Crabtree Intern Guest Star Linda Klein Nurse Linda Guest Star Teddy Lane Jr. Officer Strand Guest Star Rob Mars Diver Guide Guest Star Diane Mizota Maki Guest Star Garth Fisher 6-Year-Old Matt Guest Star