Guest Stars Jessy Schram as Dr. Hannah Asher Nate Santana as Dr. James Lanik Molly Bernard as Med Student Elsa Currie Nikiya Mathis as Vanessa Rogers Kelly Karbacz as Kim Tyler Sam Straley as Harlan Molly Hernández as Nina Derrick Williams as Detective Alvin James Co Starring Jeremy Shouldis as Dr. Marty Peterson Marie Tredway as Nurse Trinidad "Trini" Campos Desmond Gray as Paramedic Desmond Michael Vaughn Shaw as X-Ray Tech Mike Carl Clemons-Hopkins as Sean Richter Sadieh Rifai as Nurse Connie Robin E. Beaman as Arlene Baker R.J. Lewis as Xavier Rogers