Billy Coyle is a fictional character portrayed by Callum Adams in the TV series Blue Bloods.
They appear in 1 episodes out of a total of 285 aired so far
Episodes1
My Brother's Keeper
episode S9.E14 february 2019Danny goes against a direct order during a hostage negotiation; Nicky asks Erin for help when her friend is in jeopardy of losing his scholarship because of a crime he didn't commit; Frank helps a distraught officer who accidentally shot a girl.