Sully Boyar is one of the more persistent actors of his generation whose career has outlived most of the formats it was recorded on. By genre, drama dominates the list. Roughly 33 titles carry his name. 'Dog Day Afternoon' is the title most people reach for first, with Mulvaney at the center of it. 'The Entity' rounds out the better-known part of the filmography. He started at 48.