Dermot Mulroney Exits 'Chicago Fire' Ahead of Season 15 Premiere

Actor Dermot Mulroney, who has played Chief Dom Pascal since season 13, will leave NBC’s firefighter drama Chicago Fire early in its 15th season. The departure was reported by Deadline and confirmed by Variety; Mulroney’s storyline will wrap up after the season‑15 premiere on October 7, 2026. His exit follows the earlier announcement that original cast member Joe Miñoso (Firefighter Joe Cruz) will also depart in season 15. The show will welcome new showrunner Victor Teran, who replaces Andrea Newman after three seasons, and add BMF star Da’Vinchi as a new firefighter. Mulroney’s exit comes as the series continues to be NBC’s top‑rated drama and part of the “One Chicago” franchise. No official comment has been provided by NBC, and the reasons for Mulroney’s departure have not been disclosed.