Boston Blue, Blue Bloods spinoff, premieres Oct 17 on CBS

Donnie Wahlberg's Boston Blue, a spinoff of the long-running police drama Blue Bloods, will premiere Friday, October 17, on CBS, bringing Wahlberg back as Detective Danny Reagan as he transfers from the NYPD to the Boston Police Department. In the series opener Reagan is paired with a Boston detective played by Sonequa Martin-Green, who is described as the eldest daughter of a prominent local law enforcement family. The show made a curtain-raiser appearance in Cannes at the MIPCOM market, where Wahlberg and castmates previewed the series for buyers.

Boston Blue was created by Brandon Sonnier and Brandon Margolis, writers with credits on genre dramas including The Blacklist, L.A.'s Finest and S.W.A.T. The principal cast announced so far includes Donnie Wahlberg, Sonequa Martin-Green, Maggie Lawson, Ernie Hudson and Mika Amonsen. The first episode will also feature the return of Bridget Moynahan as Erin Reagan, connecting the new series to its predecessor early on. The character of Sean Reagan, Danny's son, appears in the new series but has been recast; Mika Amonsen replaces the actor who played the role on Blue Bloods.

Wahlberg, who also serves as an executive producer, has...