Marcia Gay Harden Dr. Leanne Rorish Actor Bonnie Somerville Christa Lorenson Actor Raza Jaffrey Dr. Neal Hudson Actor Luis Guzmán Jesse Sallander Actor Melanie Chandra Malaya Pineda Actor Harry Ford Angus Leighton Actor Benjamin Hollingsworth Mario Savetti Actor William Allen Young Dr. Rollie Guthrie Actor Angela Relucio Risa Park Guest Star Christina Vidal Gina Perello Guest Star Jillian Murray Heather Pinkney Guest Star Tommy Dewey Mike Leighton Guest Star Jeff Hephner Ed Harbert Guest Star Iris Almario Detective Carmody Guest Star Terrence Edwards Medic 1 Guest Star Michael A. Goorjian Emanuel Guest Star Hal Ozsan Karo Petrosian Guest Star Deniz Akdeniz Manny Petrosian Guest Star Ezekiel Bridges Hitchhiker Guest Star Joseph Piccuirro Medic 2 Guest Star Rebecca Field Lori Nicholson Guest Star Melia Renee Holly Guest Star Steven Culp Desmond Leighton Guest Star Jesse Bradford Gordon Heshman Guest Star Will Rothhaar Henry Guest Star Taylor Zakhar Ari Stricks Guest Star Michael Seitzman Executive Producer David Semel Executive Producer Ryan McGarry Executive Producer Marti Noxon Executive Producer Linda Goldstein Knowlton Executive Producer Brett Mahoney Writer Oz Scott Director