Guest Stars Omar Benson Miller as Felix Lee Julian Morris as Quinn Gina Rodriguez as Robin Mariel Hemingway as Mary Jo Christie Lynn Smith as Fran Lieber Stefanie Black as Triage Nurse Marcia Ann Burrs as Bernadette Wilson John Lafayette as Clark Ashton Rico E. Anderson as Dave Kendra Danielle Smith as ER Nurse Tanner Maguire as Darren Elizabeth Tripp as Amy Lee Burns as EMT