When I spoke with Andrea Newman ahead of Season 13, Dermot Mulroney's casting had been announced but there was still no saying how the firefighters who had worked with Boden for so long would react to him.

Dermot Mulroney had an “incredibly warm” welcome from the Chicago Fire cast, but the same can’t be said for his character, Chief Dom Pascal. “He starts pretty strong. I don't think he's there to be anybody's best friend,

The longtime actor opens up about being the new guy on-set of "Chicago Fire" and what it's like bringing his new character to this popular Dick Wolf television universe.