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 Katee Sackhoff Dr. Theodora 'Teddy' Rowe Guest Star Elaine Hausman Allegra Caldarello Guest Star Richard Portnow Manny Caldarello Guest Star Lillian Hurst Mariela Cruz Guest Star Dot Marie Jones Tess Guest Star Pierrino Mascarino Tito Guest Star Richard Burgi Dr. Logan Taper Guest Star Catherine Chiarelli Dancer 1 Guest Star Linda Klein Nurse Linda Guest Star Armando Pucci Anthony Esposito Guest Star Trisha Simmons Deidre Guest Star Sean Jablonski Director, Writer