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 Kelly Carlson Kimber Henry Actor Jacqueline Bisset James LeBeau Guest Star Peter Dinklage Marlowe Sawyer Guest Star Sanaa Lathan Michelle Landau Guest Star Jennifer Hall Monica Wilder Guest Star Robert LaSardo Escobar Gallardo Guest Star Julie Warner Megan O'Hara Guest Star Monica Bîrlădeanu Attractive Organ Thief Guest Star Marianne Muellerleile Mrs. Gunther Guest Star Dean Norris Mark Noble Guest Star Meera Simhan Dr. Meera Muthara Guest Star Melissa Gilbert Shari Noble Guest Star Larry Hagman Burt Landau Guest Star Cher Ferreyra Butch Bartender Guest Star Linda Klein Nurse Linda Guest Star Natasha Alam Analise Guest Star