Ernie Hudson is an American actor, playwright, and producer best known for his role as Winston Zeddemore in the Ghostbusters film series. He's also known for having starred as Sergeant Darryl Albrecht in The Crow, Warden Leo Glynn in Oz and appearing in a number of films. He made a guest appearance as Principal Darryl Ward in the CBS crime drama television series Blue Bloods in the Season 8 episode, "School of Hard Knocks".