For almost a decade, Sami Gayle has played a significant part on the "Blue Bloods" character roster. The CBS police procedural focusing on the lives of the fictional Reagan family sees Gayle donning the character of Nicky Reagan-Boyle, daughter of Assistant District Attorney Erin Reagan (Bridget Moynahan). Throughout the course of "Blue Bloods," Nicky transformed from an intelligent teenager to an independent woman with a life of her own.
