Guest Stars Jon Seda as Detective Antonio Dawson Jeff Hephner as Jeff Clarke Jesse Lee Soffer as Jay Halstead Treat Williams as Benny Severide Michelle Forbes as Gail McLeod Vedette Lim as Devon Mena Suvari as Isabella Mike Starr as Arthur C.J. Adams as Nathan Marks Co Starring Randy Flagler as Firefighter Harold Capp John Babbo as Griffin Darden Eric Slater as Greg Sullivan Linda Gillum as Jan Marks (Nathan's Mom) Janelle Snow as Beth Simmons Jennifer Engstrom as Julia Andrew Manning as Detective Helling Damian Anaya as Convenience Store Clerk Jeremy Shouldis as Man Uncredited Anne Lockhart voices Dispatcher
