AI Summary

Dermot Mulroney's departure from 'Chicago Fire' marks a significant change for the long-running NBC drama. Mulroney, who joined the show in Season 13 as Chief Dom Pascal, will conclude his storyline early in Season 15. This development follows a brief hiatus he took in Season 14 before returning in the season finale. Mulroney's exit will likely have an impact on the show's narrative, particularly given his character's position as a key figure in the fire department.

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