very old movie about two diplomats dancing and partying during a conference

In Casablanca, Morocco in December 1941, a cynical American expatriate meets a former lover, with unforeseen complications.

The Marx Brothers are employed at a hotel in postwar Casablanca, where a ring of Nazis is trying to recover a cache of stolen treasure.

Jerry Mulligan is an exuberant American expatriate in Paris trying to make a reputation as a painter. His friend Adam is a struggling concert pianist who's a long time associate of a famous French singer, Henri Baurel. A lonely society woman, Milo Roberts, takes Jerry under her wing and supports him, but is interested in more than his art.

Paris, after the end of the Second World War: GI Jerry Mulligan stays in the City of Lights after falling in love with a mademoiselle at first sight. Being a stranger, Jerry gets to know pianist Adam Hochberg, who - unbeknownst to Jerry - adores the same woman. The two of them have to work together for a ballet with said woman, who is promised to Henri Baurel. Henri also gets acquainted with Jerry and Adam.

A home, a motorcar, servants, the latest fashions: the most eligible and most finicky bachelor in Paris offers them all to Gigi. But she, who's gone from girlish gawkishness to cultured glamour before our eyes, yearns for that wonderful something money can't buy.

With socialite Tracy Lord about to remarry, her ex-husband - with the help of a sympathetic reporter - has 48 hours to convince her that she really still loves him.

Two girls from very different social backgrounds discover, at the age of 25, that they had been switched at birth.

Showman Jerry Travers is working for producer Horace Hardwick in London. Jerry demonstrates his new dance steps late one night in Horace's hotel room, much to the annoyance of sleeping Dale Tremont below. She goes upstairs to complain and the two are immediately attracted to each other. Complications arise when Dale mistakes Jerry for Horace.

Horace, the Rabbit, tired of constant submission in the hands of a magician tyrant, seeks a form of liberation.