Andrew Terraciano will not return as Sean Reagan in the spinoff, and Mika Amonsen will now take his place in 'Boston Blue' ...

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

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

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

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

Boston Blue, the Blue Bloods spinoff, recast Sean Reagan, Danny Reagan's son, with Mika Amonsen replacing Andrew Terraciano in a shocking twist ...

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

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

Boston Blue, the much-awaited spin-off of Blue Bloods, has finally set its premiere date on CBS. The show continues the ...

Donnie Wahlberg’s character from the crime procedural, Danny Reagan, will be returning along with his son, Sean Reagan.

CBS's Boston Blue, the official spin-off series to Blue Bloods, finally has a premiere date and will arrive on the network on October 17, 2025.