Special Guest Stars Nick Gehlfuss as Dr. Will Halstead Eamonn Walker as Battalion Chief Wallace Boden Taylor Kinney as Lieutenant Kelly Severide Kara Killmer as Paramedic Sylvie Brett Brian Tee as Dr. Ethan Choi Torrey DeVitto as Dr. Natalie Manning Philip Winchester as Assistant State's Attorney Peter Stone Jon Seda as Chief Investigator Antonio Dawson Guest Stars Melissa Carlson as Meredith Olinsky Esai Morales as Chief Lugo Alina Taber as Lexi Olinsky Peter Coventry Smith as Dylan Oates Co Starring Amanda Marcheschi as Nurse Dina Garston Jazlyn Yoder as Tamra Collins Joslyn Jones as Claire Burke Mark J.P. Hood as Rashad Kailey Bell as Tech Elise Boyle Clark Lichty as Lane Cromwell Jennifer Weigel as Melissa Brosh-McKenna Vincenzo Hinckley as Kade Davis Joelle Brianne Graham as Stacia Mulaney Billy Minshall as Manager Anne-Stark Gallagher as Tamra's Mom Sam Long as Hostess
