Gerry O'Brien is a fictional character portrayed by John Speredakos in the TV series Blue Bloods.
In the first episode they appeared in, titled The Blue Templar (season 1), they were 48 years old.
They appear in 1 episodes out of a total of 285 aired so far
Episodes1
The Blue Templar
episode S1.E22 may 2011Jamie shares his suspicions with his family about Joe's killing and the now infamous Blue Templar. A private investigation leads them to the police officers who are the ring leaders of this secret group. Joe's death gets a fitting closure.