Photo Illustration by Luis G. Rendon/The Daily Beast/FXCertain actors instantly light up the screen, no matter how big or small their roles. Treat Williams was one such performer, making his final role as legendary CBS executive William “Bill” S. Paley in Feud: Capote vs. The Swans all the more poignant—particularly in an episode where his character contemplates the mortality of a loved one.Among larger-than-life figures like Truman Capote (Tom Hollander) and the coterie of glamorous and infinit