Tom Selleck Teases A Crowded And Dynamic Dinner Table In Blue Bloods Season 13 CBS police drama “Blue Bloods” follows the Reagans, a family heavily involved in law enforcement. The show crosses generations and is centered around Commissioner Frank Reagan (Tom Selleck), whose own father is a retired commissioner and whose children are a detective, a sergeant, and a prosecutor, played respectively by Donnie Wahlberg, Will Estes, and Bridget Moynahan. The show has performed reliably for CBS in its regular Friday night time slot. The Season 13 premiere matched its previous season’s ratings and had the largest audience of the night with 6.1 million viewers (via TV Line). One of the reasons why “Blue Bloods” has had such reliable staying power is the family dynamics at the heart of the show. Viewers tune in for the procedural elements, but it’s the interpersonal relationships that elicit loyalty from the audience. Nothing encapsulates this better than the weekly Sunday