Special Guest Stars Marina Squerciati as Officer Kim Burgess Nick Gehlfuss as Dr. Will Halstead Jesse Lee Soffer as Detective Jay Halstead Jason Beghe as Sergeant Hank Voight LaRoyce Hawkins as Kevin Atwater Patrick John Flueger as Officer Adam Ruzek Yaya DaCosta as Nurse April Sexton Marlyne Barrett as Charge Nurse Maggie Lockwood S. Epatha Merkerson as Sharon Goodwin Tracy Spiridakos as Detective Hailey Upton Torrey DeVitto as Dr. Natalie Manning Dominic Rains as Dr. Crockett Marcel Lisseth Chavez as Officer Vanessa Rojas Guest Stars Randy Flagler as Firefighter Harold Capp Daniel Kyri as Darren Ritter Alberto Rosende as Firefighter Blake Gallo Tim Hopper as Captain Tom Van Meter Kristen Gutoskie as Chloe Cruz Aaron Serotsky as Dr. David Seldon Eileen Galindo as Mama Garcia Co Starring Anthony Ferraris as Firefighter Tony Ferraris Steve Chikerotis as Chief Walker Michele Martinez as Paramedic Michele Martinez Ahmed Lucan as Jared Julian Hester as John Sorenstein Michelle Bester as 2nd Paramedic Tiera Dudley as Woman Julia Germeroth as Clerk Gillian Hemme as College Student Bryan Eng as Harrison Marguerite Genard as Hazmat Member Joe McCauley as Mailman Dylan Obrochta as Stuart Anderson Ann Hagemann as Lila Eunji Kim as Veronica Song Bryan Bosque as Paramedic Calvin Thomas as Tailgater Robin Robinson as Newscaster Colt Cabana as Hazmat Leader Andrew White as Bruno Geller Lucy Carapetyan as Administrator Uncredited Anne Lockhart voices Dispatcher
