Blue Bloods
2010
Richard Treat Williams Jr. (December 1, 1951 – June 12, 2023) was an American actor, whose career on stage and in film and television spanned five decades. He received many accolades, including nominations for three Golden Globe Awards, a Primetime Emmy Award, and an Independent Spirit Award. Williams began his career on Broadway, portraying Danny Zuko in the original run of Grease (1972). Wikipedia