1953 film by Alex Joffé

1952 French film by Marcel Cravenne

A musical cabaret singer meets a British agent and goes with him to Nazi occupied France to save an atomic scientist.

The hunter at Maxim's, whose family is unaware of the profession, turns around and plans to marry his daughter to a marquis when he recognizes a regular in this nobility. Everyone meets at Maxim's where, unmasked, the hunter agrees to marry his daughter to the reveler but repentant Marquis.