Andrew Terraciano was replaced by Mika Amonsen—co-showrunner Brandon Margolis says it boils down to evolving character plots.

Boston Blue has gone to extreme lengths to appeal to the Blue Bloods fans but some viewers still have questions about the ...

"Boston Blue" showrunners open up about the surprise "Blue Bloods" cameo in the premiere and recasting Sean for the spinoff.

Blue Bloods' Marisa Ramirez teases her Boston Blue cameo, Danny's future with Baez, and the challenges of long-distance love ...

Boston Blue premiered with two permanent members of the Blue Bloods Reagan clan as series regulars: Danny Reagan ( Donnie ...

Boston Blue' co-showrunner Brandon Margolis weighed in on why Mika Amonsen replaced Andrew Terraciano as Sean Reagan.

Blue Bloods' continues in 'Boston Blue' as Donnie Wahlberg's Danny Reagan heads to Boston for a new chapter and a brand new ...

Discover Boston Blue Season 1, where Danny Reagan navigates Boston PD, family dynamics, and high-stakes investigations while ...

TV Insider has reported that Mika Amonsen will take over the role of "Danny Reagan’s (Donnie Wahlberg) youngest son, Sean ...

Breaking down the biggest Boston Blue premiere moments - from Danny and Baez's dynamic to the Sean recast and which Blue ...

Brandon Sonnier and Brandon Margolis, known as “The Brandons,” co-created Boston Blue. They explained their decision to recast Sean to TV Insider.