A closer look at “Chicago Fire Season 15: Dermot Mulroney Returns as Dom Pascal in Final Run, Echoing Matt C”, exactly as the source publishes it. NBC's Chicago Fire is bringing back Dermot Mulroney as Dom Pascal for one last run in season 15. The character, who previously served as a replacement for Matt Casey, returns with storylines that draw clearer parallels to the beloved former captain. Fans of the long-running firefighter drama will see Pascal step back into Firehouse 51, where his leadership style and personal struggles mirror those of Casey, played by Jesse Spencer.
This return matters because it ties current story arcs back to the show's emotional core, offering closure for viewers who have followed the shift in command since Casey's departure. With Mulroney's guest arc set to wrap, the final episodes aim to honor the legacy of Casey while pushing the team forward. For the complete material, the listing points back to the source inside the network.