Boston Blue filming is officially underway, and with it comes news of a surprising Reagan recasting.

Mika Amonsen will replace Andrew Terraciano, who played Sean Reagan throughout the 14-season run of "Blue Bloods."Though ...

Blue Bloods' viewers are finally getting an explanation for why Donnie Wahlberg’s character, Danny, moved in the 'Boston Blue ...

CBS’s upcoming “Blue Bloods” spinoff has recast Danny Reagan’s son after the same actor played the recurring role throughout ...

Mika Amonsen has been cast as Sean Reagan on Boston Blue opposite Donnie Wahlberg. On Blue Bloods, Sean was played by Andrew ...

Throughout the 14 seasons of 'Blue Bloods,' through the series finale, the character was played by Andrew Terraciano.

Mika Amonsen will play Sean Reagan in the 'Blue Bloods' spinoff, 'Boston Blue,' a role previously played by Andrew Terraciano ...

Blue Bloods got viewers invested in the Reagan family — but how are the characters related to each other? The CBS series, ...

Boston Blue is already generating a lot of buzz before its CBS premiere this fall thanks, in part, to the spinoff series’ all-star cast — and one very popular member of the Reagan family. Blue ...

Marisa Ramirez as Maria Baez and Donnie Wahlberg as Danny Reagan on ‘Blue Bloods’ | John Paul Filo/CBS via Getty Images. Season 12 will open with the episode, “Hate is Hate.” ...

Luis Delgado (Lou Diamond Phillips) is going to cross paths with Danny Reagan (Donnie Wahlberg) again this season of Blue Bloods.Last time we saw him he was behind bars for being involved in the ...

Danny Reagan, played by Donnie Wahlberg, lost wife Linda several seasons ago now, but according to the Blue Bloods showrunner, Season 12 will give him some clarity.