Joe Miñoso, who has played firefighter Joe Cruz since the series debuted, is leaving in the upcoming season. The series is scheduled to return as part of NBC’s “One Chicago” lineup on Wednesday, Oct. 7. Miñoso joined Chicago Fire as a guest star during the first season in 2012, and was promoted to a series regular role in Season 2. He also appeared in multiple episodes of Chicago P.D. Related: Original ‘Chicago P.D.’