Guest Stars Tasso Feldman as Dr. Irving Feldman Tasie Lawrence as Priya Nair Violett Beane as Lily Kendall April Parker-Jones as Dr. Jen Kays Jenny O'Hara as Shirley Harris Emily Althaus as Nurse Tiffany Dakin Matthews as Howie Green Deke Anderson as Paul Robinson Co Starring Denitra Isler as Nurse Ellen Hundley Jessica Miesel as Nurse Jessica Moore Vince Foster as Dr. Paul Chu Al Mitchell as Wendal McKee Jonathon Pawlowski as Paramedic Joe Daniels Melanie J. Newby as Nurse Madison Chrystee Pharris as Nurse Allie Palmer Patricia French as Nurse Lorraine Gleason Rico Paris as Medical Assistant Enrique Diaz Seth Dousman as Paramedic Sam Jones Jackie Dallas as Nurse Jill Jennifer Van Horn as Cynthia Nick Caruso as Police Officer Dustin Lewis as Radiologist Joy Kigin as Paramedic Pat Jacob Garcia as Brent Carter Evan Henderson as Jeremy Skinner Ryan D. Olson as Ian obinson Blair Jasin as Hero Guy / Erik Rajeev Jacob as Paramedic Bill