He also appeared in “Beautiful People,” “Suits,” and “Jessica Jones.”
TMZwas the first to report the news, sharing that McCaffrey was diagnosed with multiple myeloma.
He played the recurring role of Captain Arthur OByrne in the shows third season.
James McCaffrey.Steven A Henry/WireImage
The series was later revived, with McCaffrey returning for the fourth and final season.
He also starred in the one and only season of the famously violent detective dramaSwift Justice, alongsideGiancarlo Esposito.
He also cameoed in the 2008film adaptation, which starred Mark Wahlberg and Mila Kunis.
McCaffrey also had roles inControlandAlone in the Dark.
Entourageactor and longtime friend of McCaffrey, Kevin Dillon paid tribute to him on Instagram with an emotional post.
James McCaffrey we were lucky to have known you, Dillon wrote.
My best friend you will be missed.
McCaffrey is survived by his wife Rochelle Bostrom and their daughter, Tiernan.
