Guest Stars Christian Stolte as Firefighter Randy "Mouch" McHolland Joe Miñoso as Firefighter Joe Cruz Yuri Sardarov as Firefighter Brian "Otis" Zvonecek Treat Williams as Benny Severide Sarah Shahi as Renee Royce Nicole Forester as Christie Jordan Kathleen Quinlan as Nancy Annalyn Casey Shiri Appleby as Clarice Carthage Cody Sullivan as Ernie Ron Dean as James Whoritsky Co Starring Randy Flagler as Firefighter Harold Capp DuShon Brown as Connie Steve Chikerotis as District Chief Steve Walker William Smillie as Kevin Hadley Juan Lozada as James Steve Piper as Fireman Mike McNamara as Jim Jordan Shanesia Davis as Shonda Brett Snow as Firefighter Brett Snow Darren Elliot Fulsher as EMT Matt Kozlowski as Fortenberry Kevin Miller as Wilcox Darrell W. Cox as Uncle Ray Matt Young as Man #1 Brian McCartney as Goodwin Jason Wells as Parole Board Member William Burke as Roman Shawn Bernal as Hardware Store Clerk Terry Berner as Man #2 Sam Zerante as Terry Patrese McClain as Angela Amy Newbold as Nurse Kevin Casey as Hoover Antoine Whitfield as Baby James Chudnow as Apartment Building Owner Cookie Santucci as Granny Chris Agos as Dr. Doriot Cedric Young as Deputy District Chief Arend Uncredited Anne Lockhart voices Dispatcher