Guest Stars Gregory Calderone as Dr. Billy Scott Don McKellar as Dr. Amos Carver Owen Maggs as Hunter Rush Jonathan Koensgen as Officer Austin Bauer Alain Goulem as Elias Co Starring Emily Pope as Nurse Katrina Trish Fagan as Dr. O'Toole Cyril Serrick as Tim the Perfusionist Cynthia Preston as Lindsay Rush Kevin Bundy as Greg Rush Mena Massoud as Justin Srinivasan Dan Redican as Guy
