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

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

Blue Bloods wrapped its final season almost seven months ago, but there's a fresh chapter about to begin. Wahlberg revealed ...

Danny Reagan’s youngest son Sean will look a little different when he appears alongside his dad on CBS’ upcoming drama series ...

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

Mika Amonsen ( Thanksgiving) has joined the show’s cast as Sean Reagan, the youngest son of series lead Donnie Wahlberg’s ...

Boston Blue recasting Sean is a major change that is a good news/bad news situation for fans of the original Blue Bloods ...

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

Donnie Wahlberg Celebrates ‘New Chapter’ at First 'Boston Blue’ Table Read originally appeared on Parade. Donnie Wahlberg ...

Boston Blue made a shocking cast change for the role of Danny Reagan's son, Sean. Mika Amonsen was added to the cast of the ...

CBS caused a stir earlier this year when it revealed that Boston Blue, a spin-off of Blue Bloods, was in the works.

CBS' spinoff of 'Blue Bloods' titled 'Boston Blue' comes after the original show's fourteenth and final season ...