Marcia Gay Harden Dr. Leanne Rorish Actor Boris Kodjoe Dr. Will Campbell Actor Melanie Chandra Dr. Malaya Pineda Actor Harry Ford Dr. Angus Leighton Actor Benjamin Hollingsworth Dr. Mario Savetti Actor Jillian Murray Dr. Heather Pinkney Actor William Allen Young Dr. Rollie Guthrie Actor Luis Guzmán Jesse Sallander Actor Rob Lowe Col. Ethan Willis Actor Tommy Dewey Mike Leighton Guest Star Noah Gray-Cabey Dr. Elliot Dixon Guest Star Emily Tyra Dr. Noa Kean Guest Star Kathleen Rose Perkins Amanda Nolan Guest Star Garrett Coffey Charlie Loffredo Guest Star Abigail Klein Nurse Eloise Munello Guest Star Neal Bledsoe Paul Wentworth Guest Star Eden Brolin Dana Albright Guest Star Angela Relucio Risa Park Guest Star Caroline Aaron Barbara Abbott Guest Star Kristen Hager Ashley Guest Star Katherine Kamhi Denise Guest Star Jim Abele Gary Guest Star Nelly Buchet Monica Guest Star Carson Park Keigan Guest Star Ever Carradine Linda Guest Star Hope Olaide Wilson Sophia Guest Star Joe Pistone Paramedic 1 Guest Star Leah LaMarr Paramedic 2 Guest Star Emily Nelson Hannah Reynolds Guest Star Michael Seitzman Executive Producer David Semel Executive Producer Ryan McGarry Executive Producer Marti Noxon Executive Producer Linda Goldstein Knowlton Executive Producer Kristen Kim Writer P.J. Pesce Director