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 Larisa Polonsky as Zoja Mena Suvari as Isabella Mike Starr as Arthur John Hoogenakker as Lieutenant Spellman Co Starring Randy Flagler as Firefighter Harold Capp William Smillie as Kevin Hadley John Babbo as Griffin Darden Charlie Babbo as Ben Darden Kris Wolff as Uniformed Cop Eric Lynch as Officer Dichter Christopher Allen as Jeff Alejandro Cordoba as Chris Gabriel Ruiz as Principal Tyler Ravelson as Squatter Uncredited Anne Lockhart voices Dispatcher