Donnie Wahlberg Teases Third Blue Bloods Star Appearing in Boston Blue

Donnie Wahlberg is teasing another familiar face from Blue Bloods heading to the upcoming spinoff Boston Blue. The actor revealed that a third alum from the long-running CBS drama will make a guest appearance, adding to the growing list of connections between the original series and its new chapter.

While Wahlberg kept specific details under wraps, the news has already sparked excitement among longtime fans eager to see more Reagan-era crossovers. The spinoff follows Danny Reagan as he takes on a new role in Boston, blending fresh stories with the legacy of Blue Bloods.

With previous cast members already confirmed to appear, the latest tease suggests Boston Blue will continue to honor its roots while building something new — giving viewers plenty of reasons to tune in when the series premieres.