Guest Stars Allison Wilson-Forbes as Nurse Alice Jess Salgueiro as Nurse Serena Cabrera Pauline Wong as Nurse Pauline Nicole Underhay as Kristine Fields Shaun Benson as Lane Berkley Genelle Williams as Shelby Hart Michael Rhoades as Detective Lozio Raven Dauda as Nurse Raven Michael Kaplan as John Doe / Bomber John Bregar as Adam Hart Jeff Clarke as Mr. Calhar Natalia Jonas as OR Nurse Brandon Rollo as Injured Runner #2 Penny Eizenga as Injured Person #2 Louis Adams as Angry Man #1 Shakura S'Aida as Cora Boullot Victor Chiu as Injured Person #1 Nathan Hoppe as Angry Man #3 Peter Bailey as Angry Man #2 Tye Evans as Injured Runner #3 Lisa Rose Snow as Reporter Diana Cofini as Injured Runner #1
