Special Guest Stars Steven Weber as Dr. Dean Archer Guest Stars Asjha Cooper as Vanessa Taylor Devin Kawaoka as Kai Tanaka-Reed Conor Perkins as Dr. Zach Hudgins Sasha Roiz as Jack Dayton David Eigenberg as Lieutenant Christopher Herrmann Johanna Braddy as Avery Quinn Taylor Kinney as Lieutenant Kelly Severide Stef Tovar as Elliot Myers Rachel Cerda as Candace Hedges Lynn Baber as Rose Co Starring Lorena Diaz as Nurse Doris Lynnette Li as Nurse Nancy Desmond Gray as Paramedic Desmond Michael Vaughn Shaw as X-Ray Tech Mike Sarah Brooks as Paramedic Juliette Matthew Isler as Paramedic Matt Jeffrey Todd Parrott as Nathaniel Perry Adia Alli as Paramedic Adia Isaiah Gordon as News Cameraman Dario Amador-Lage as Trey Bruso Ramsey Mallory as Emmanuel Fremont Dan McNally as Traffic Officer