Guest Stars Ato Essandoh as Dr. Isidore Latham Jeff Hephner as Med Student Jeff Clarke Taylor Kinney as Lieutenant Kelly Severide Jürgen Hooper as Dr. Jason Wheeler Eamonn Walker as Battalion Chief Wallace Boden Jesse Spencer as Captain Matthew Casey Scott Morehead as Jack Kellogg Erica Hubbard as Dina Morris HB Ward as Rod Winter Laura Heisler as Susan Porter Co Starring Lorena Diaz as Nurse Doris Courtney Rioux as Paramedic Courtney Desmond Gray as Paramedic Desmond Tonray Ho as Nurse Leah C. Anthony Jackson as Security Guard Earl Shiri Aljadeff as Dr. Leah Bardovi Naïma Hebrail Kidjo as Paramedic Naïma Adam Poss as Paramedic Adam Jeri Marshall as Paramedic Jeri Charlie Babbo as Benjamin Porter Cyrus Alexander as Blake Porter Tracey Kaplan as Helene Winter Charlie Herman as Josh Burgin Roland Parker as Bloody Mouth Raymond Stumbaugh as Nurse Travis