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 Marlee Matlin Kathy Byrne Guest Star Noah Gray-Cabey Dr. Elliot Dixon Guest Star Emily Tyra Dr. Noa Kean Guest Star Angela Relucio Risa Park Guest Star Jay Harrington Dr. Leo Fields Guest Star Marc Grapey Dr. Abe Hiram Guest Star Lexi Underwood Emily Campbell Guest Star Raquel Bell Johnson Paramedic 1 Guest Star Terrence Edwards Paramedic 2 Guest Star Aris Mendoza Paramedic 3 Guest Star Michael Seitzman Executive Producer David Semel Executive Producer Ryan McGarry Executive Producer Marti Noxon Executive Producer Linda Goldstein Knowlton Executive Producer Kevin Hazzard Writer Kelly Makin Director