One of the all-time best WWII movies was actually made as propaganda

Went the Day Well? is a British World War II thriller that still holds up today.
Variety

Locarno Film Festival’s 2025 Retrospective Highlights Post-War Britain in a Showcase ‘About the British Character,’ Says Programmer Ehsan Khoshbakht

August’s Locarno Film Festival will go British with its latest retrospective: Great Expectations: British Post-War Cinema, 1945-1960. The retrospective forms a major strand of the film festival’s ...