Thriller. Drama. Mystery. Film noir
The Four Men of the title are British WWI veterans who decide to work secretly against enemies of the country. They aren't above a bit of murder or sabotage to serve their ends, but they consider themselves to be true patriots.
US 
Canada 
Mexico 
Spain 
UK 
Ireland 
Australia 
Argentina 
Chile 
Colombia 
Uruguay 
Paraguay 
Peru 
Ecuador 
Venezuela 
Costa Rica 
Honduras 
Guatemala 
Bolivia 
Dominican Rep. 
