I did like Brian Geraghty on PD.
Why he left was recently explained by Country Living
The actor who portrayed the officer, Brian Geraghty, had only been on the show for two seasons when NBC announced that he would not be returning as a series regular. With so much potential for his character, Brian's abrupt exit was devastating to viewers. Here's the truth about why he left Chicago P.D.
While most One Chicago stars sign a seven-year contract, Brian negotiated a year-to-year commitment. The actor was able to pull this off because Dick Wolf—the genius behind the Chicago franchise—specifically wanted him to play Roman's character.
"Brian had a lot of choices, and we courted him and pitched him what the show could be, and we were crossing our fingers that we'd get him," executive producer Matt Olmstead explained to TV Line in 2016. "He is the most level-headed, decent human being you're going to encounter, and he's upfront. He was like, 'I don’t know if I can commit to a seven-year contract. This sounds great, but I’ve got to take it year by year,' which Dick doesn’t do very often. But the deal was made."
So, when Brian gave showrunners a "heads up" halfway through season 3 that he wanted to leave Chicago P.D. to pursue other projects, there were no hard feelings.
Fast forward to today
The former patrol officer will return to Chicago P.D. for a crossover episode with Chicago Fire on February 26. While Brian has no long-term plans to come back to the show, he has maintained a great relationship with the producers—specifically Dick Wolf—and will always be open to guest appearances.
"Anytime Uncle Dick calls, I drop what I’m doing," Brian explained.