The Long Good Friday (1980)
Cuddly Bob Hoskins ain't so cuddly here, guv'nor, as a prosperous Thatcherite gangster, Harry, who finds that his well-off world is about to fall apart, thanks to a new syndicate who want to muscle in on his turf. With great support from Helen Mirren and a blink-and-you'll-miss-him appearance from a young Pierce Brosnan, The Long Good Friday is considered by many to be the definitive London gangster flick. It's gripping, masterful and believable all at once — and the film which deservedly kick-started Hoskins' international career.