Season Season of Blue Bloods premiered on September 23, 2016.
In credits order
- Donnie Wahlberg as Daniel "Danny" Reagan, Detective.
- Bridget Moynahan as Erin Reagan, Assistant District Attorney and single mother to Nicky.
- Will Estes as Jamison "Jamie" Reagan, Rookie police officer and recent Harvard Law graduate.
- Len Cariou as Henry Reagan, Retired Police Commissioner, father of Frank and grandfather of Danny, Erin and Jamie.
- Amy Carlson as Linda Reagan, Wife of Danny.
- Sami Gayle as Nicole "Nicky" Reagan-Boyle, Erin's daughter.
- Tom Selleck as Francis "Frank" Reagan, Police Commissioner and father of Danny, Erin and Jamie.