Edward Heward Bunker (December 31, 1933 – July 19, 2005) was an American author of crime fiction, a screenwriter, convicted felon and an actor. He wrote numerous books, some of which have been adapted into films. He wrote the scripts for—and acted in—Straight Time (1978) (adapted from his debut novel No Beast So Fierce), Runaway Train (1985) and Animal Factory (2000) (adapted from his sophomore novel of the same name). He also played a minor role in Reservoir Dogs (1992).