: Reviewers from Time Out describe it as a "brisk, no-nonsense" movie that prioritizes narrative movement over deep character development. Operation Amsterdam (1959) - IMDb

: A diamond expert whose real-life counterpart was killed in 1946.

: With the German invasion underway, British intelligence launched a secret operation to recover approximately £10 million in industrial diamonds from Amsterdam.

The film is based on the book Adventure in Diamonds by David E. Walker, which chronicles the true events of May 12–13, 1940.

: The plot focuses on a 24-hour window before the city falls. Because the mission occurs over a bank holiday weekend, the agents must find ways to force open high-security vaults.

: At the time of its release, the Guardian called it an "unusually effective war film" because of its historical grounding. However, The New York Times found it "lukewarm" compared to the actual intensity of the real-life incident.

: A central theme is the "choices" faced by Jewish diamond merchants. Giving up their stocks meant aiding the Allies but also losing their only potential "bargaining power" or life savings before the Nazi occupation. Key Characters :