Movies about espionage often don't age well, but hidden gems like The Ipcress File, Where Eagles Dare, and Hopscotch hold up strikingly well.

Double the action, suspense and even fun of 007.

From Hitchcockian highlights like Notorious to modern-day gems like Casino Royale, these spy movies showcase the brilliance of the genre at its best.

Filmmakers and audiences remain fascinated with glamorous, globe-trotting double agents and their efforts to steal, retrieve or secure information, people or weapons deemed vital to a country’s ...