Guest Stars Jon Seda as Detective Antonio Dawson Jeff Hephner as Jeff Clarke Jesse Lee Soffer as Detective Jay Halstead Treat Williams as Benny Severide LaRoyce Hawkins as Kevin Atwater Sarah Shahi as Renee Royce Michelle Forbes as Gail McLeod Chaon Cross as Heather Darden Larisa Polonsky as Zoja Linda Powell as Ingrid Mills John Hoogenakker as Lieutenant Spellman Tim Hopper as Ken Rowe Co Starring Randy Flagler as Firefighter Harold Capp William Smillie as Kevin Hadley John Babbo as Griffin Darden Charlie Babbo as Ben Darden Maura Kidwell as Amy Jason Bradley as Husband Dylan Saunders as Brother Julie Greenberg as Evie Kameron Cleveland as Colin Paul Thomas as Big John Sean Patrick Leonard as Truck Driver Uncredited Anne Lockhart voices Dispatcher