Stacy Keach is an American actor, producer, director, and narrator. He is best known for his dramatic roles, often being in law enforcement or as a private detective. His most prominent role was as detective Mike Hammer in Mickey Spillane's fictional series.
He made guest appearances as Archbishop (Later Cardinal) Kevin Kearns in the CBS crime drama television series Blue Bloods in the Season 7 episodes, "Confessions" and "Foreign Interference". He later reprised his role in the Season 8 episode, "Brushed Off".