The Blue Bloods spinoff, Boston Blue, has found its cast after slowly revealing the actors will star in the CBS show this fall. Besides star Donnie Wahlberg as Danny Reagan, the last two puzzle pieces for the Silver family have finally taken shape.

Boston Blue' just added a familiar face from television as 'ER' fan-favorite Gloria Reuben has joined the cast of the 'Blue Bloods' follow-up.

Gloria Reuben has joined the growing cast of “Boston Blue,” the “Blue Bloods” spinoff premiering on CBS this fall. She has been cast as Mae Silver, who serves as Boston’s district attorney. The official description for the character reads,