Guest Stars Jeff Hephner as Jeff Clarke Jesse Lee Soffer as Detective Jay Halstead Treat Williams as Benny Severide Michelle Forbes as Gail McLeod Chaon Cross as Heather Darden Brittany Curran as Katie Nolan Larisa Polonsky as Zoja Vedette Lim as Devon Mena Suvari as Isabella Mike Starr as Arthur John Hoogenakker as Lieutenant Spellman Co Starring Randy Flagler as Firefighter Harold Capp John Babbo as Griffin Darden Charlie Babbo as Ben Darden Maura Kidwell as Amy Jessica Carleton as Emily Veronica Bruce as Denise Kiley Moore as Pam Brandon Miller as Man / Husband Wayne Benson as Foreman Todd Garcia as Victim Leslie Frame as Woman / Mother Uncredited Anne Lockhart voices Dispatcher