Dermot Mulroney Expresses Regret Over Departing Chicago Fire

WHO:

ComingSoon.net - Dermot Mulroney is a key cast member of NBC's "Chicago Fire."

Variety - Dermot Mulroney attended Flash Weekend Chicago Horror Convention.

WHAT:

ComingSoon.net - Dermot Mulroney confirmed his exit from "Chicago Fire" ahead of the show's fifteenth season.

Variety - Mulroney expressed that he is "sad to see it go" after two seasons on the show.

Deadline - Mulroney stated, "It’s bitter to have to leave" the NBC series.

WHERE:

Variety - The announcement of Mulroney's exit was made during an appearance at Flash Weekend Chicago Horror Convention.

WHEN:

Variety - The fifteenth season of "Chicago Fire" is upcoming.

WHY:

Variety - Mulroney mentioned he "loved every minute of it" and became friends with the crew, indicating a positive experience on the show.

HOW:

Deadline - Mulroney's character will wrap up in the upcoming Season 15 of "Chicago Fire."

(UPDATED August 4, 2026 07:40 UTC)

Dermot Mulroney has confirmed his exit from NBC's "Chicago Fire" ahead of the show's upcoming fifteenth season, expressing sadness about leaving after two seasons. He shared this news during his appearance at the Flash Weekend Chicago Horror Convention, stating that it’s "bitter to have to leave" but that he "loved every minute of it" and formed friendships with the crew. Mulroney's character will conclude in the upcoming season, marking the end of his time on the series.