1: Title: Blue Bloods Cast and Character Guide Content: Get to know the stars of Blue Bloods, the popular CBS procedural. Learn about the main cast members and their characters on the hit show.

2: Title: Tom Selleck as Frank Reagan Content: Tom Selleck portrays Frank Reagan, the patriarch of the Reagan family and the Police Commissioner of New York City.

3: Title: Donnie Wahlberg as Danny Reagan Content: Donnie Wahlberg plays Danny Reagan, an NYPD detective and the second oldest son of the Reagan family.

4: Title: Bridget Moynahan as Erin Reagan Content: Bridget Moynahan stars as Erin Reagan, the only daughter in the Reagan family and an Assistant District Attorney.

5: Title: Will Estes as Jamie Reagan Content: Will Estes portrays Jamie Reagan, the youngest son of the Reagan family who works as a patrol officer.

6: Title: Len Cariou as Henry Reagan Content: Len Cariou plays Henry Reagan, Frank's father, and a former NYPD Police Commissioner.

7: Title: Vanessa Ray as Eddie Janko Content: Vanessa Ray stars as Eddie Janko, Jamie's partner on the police force and later his wife.

8: Title: Marisa Ramirez as Maria Baez Content: Marisa Ramirez plays Maria Baez, Danny's partner in the NYPD and a skilled detective.

9: Title: Blue Bloods Cast and Character Guide Wrap-up Content: Now you're familiar with the main cast members of Blue Bloods and their characters. Tune in to see them in action on CBS!