- Season 1: Blue Bloods

(Len Cariou): Frank’s father and a retired Police Commissioner.

(Will Estes): A Harvard Law grad turned rookie cop. Blue Bloods - Season 1

: Each episode balances individual cases handled by Detective Danny Reagan ( Donnie Wahlberg ) and legal battles overseen by Assistant D.A. Erin Reagan-Boyle (Bridget Moynahan). Cast & Key Characters (Len Cariou): Frank’s father and a retired Police

(Donnie Wahlberg): A hot-headed detective and Iraq War veteran. Erin Reagan-Boyle (Bridget Moynahan)

(Tom Selleck): The Police Commissioner and family patriarch.

The season features a star-studded main cast and several recurring guest stars:

The first season of features a multi-generational family of New York City law enforcement officers, the Reagans, led by Police Commissioner Frank Reagan ( Tom Selleck ) . The season consists of 22 episodes and explores themes of justice, family loyalty, and the moral complexities of police work. Core Storyline Features