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

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

Donnie Wahlberg hinted that the 'Blue Bloods' spinoff 'Boston Blue' on CBS is going to be all about starting fresh ...

Check out Wahlberg’s Instagram story above and stay tuned to Collider for more about Boston Blue.

The actor is reprising his role as Danny Reagan but will be tackling crime in a new East Coast city, alongside Sonequa Martin ...

Donnie Wahlberg kicked off a brand new chapter in his post-"Blue Bloods" journey with a glimpse into the world of spin-off ...

CBS’ upcoming Blue Bloods offshoot has added another Reagan — though he will look a bit different when he shows up. A ...

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

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

Danny Reagan’s story is ready to resume. Nearly seven months after CBS’ long-running Blue Bloods aired its series finale, ...