Len Cariou delivered a standout performance in the final season of Blue Bloods, bringing an emotional depth that helped close out the Reagan family saga on a high note. One of the series' most gripping moments unfolded when family tensions reached a boiling point—Erin was blindsided by the revelation that her Grandpa Henry would testify for the defense, a decision that shook the very foundation of their tight-knit clan. This unforgettable scene epitomized what made the show a fan favorite: a perfect balance of heartfelt family dynamics and high-stakes drama. Though the series has ended, moments like these ensure its legacy will live on.

Blue Bloods Cast:

Tom Selleck, Donnie Wahlberg, Bridget Moynahan, Vanessa Ray, Will Estes, Steve Schirripa, Abigail Hawk, Will Hochman and Len Cariou

Stream every episode of Blue Bloods now on Paramount+!