One of the best moments in the classic 1942 film Casablanca is a scene between Rick, the owner of a nightclub in Casablanca, played by Humphrey Bogart, and Captain Renault, the commander of the French forces in the city, played by Claude Raines. At the time of the film’s setting, during the early days of World War II, allegiances and political positions were, at best, guarded. Each of the characters in the film has a skeleton in the closet, and each of them is reluctant to reveal any information—as this exchange between Rick and Captain Renault demonstrates:
Captain Renault: What in heaven’s name brought you to Casablanca?
Rick: My health. I came to Casablanca for the waters.
Captain Renault: The waters? ...