Most of the current Chicago P.D. cast in the fall 2025 TV schedule has been around from the very beginning, but one star will be stepping away from the One Chicago cop drama. Patrick John Flueger, who has been playing Officer Adam Ruzek since the pilot in 2014, is taking a leave of absence, which requires some changes behind the scenes, as well as presumably within the on-screen Intelligence Unit in the current 13th season.
Flueger is taking a break from the One Chicago world for the purpose of dealing with a personal matter, according to Deadline . The news comes in the relatively early days of Season 13, on the heels of a major Burzek episode as Ruzek and Detective Kim Burgess settle into married life as parents. The good news is that Flueger is expected to return from his tempora