The best spy movies of all time range from outlandishly hilarious to being extremely accurate, thanks to the input of a consultant. Though the espionage genre has developed into a niche of filmmaking that typically involves epic action blockbusters like James Bond or Mission: Impossible, there are also quieter, slow-burn additions to the filmography. While fight scenes and fun gadgets make for great props and feature dynamic set pieces, these aspects don’t necessarily mean that a movie will stand the test of time. Many of these films are considered classics and have been in the spy thriller rotation for years.

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