Dermot Mulroney Says He’s ‘Sad to See it Go’ After ‘Chicago Fire’ Exit: ‘We Gave it Our All for Two Seasons’

News broke on Friday that Dermot Mulroney will leave NBC’s “Chicago Fire” in its upcoming 15th season. During a recent appearance at Flash Weekend Chicago Horror Convention (via People), Mulroney opened up about his exit. “Loved every minute of it. Became friends with this incredible crew of people,” Mulroney said. He later noted that the…