Cast & Crew
[The following plot summary is based on the English-language version of this film, His Glorious Night ; character names refer to that version.] Princess Orsolini, known to maintain an icy demeanor, has a marriage arranged for her by her royal parents, but quite suddenly she falls in love with Kovacs, a cavalry captain known for his mastery of horses and women. Though they meet secretly, her mother advises her to break off the affair, and she reluctantly informs the captain that she cannot love the son of a peasant. Kovacs spreads a rumor that he is is an imposter and swindler to avenge himself on the princess and her mother. Fearing scandal, the queen prevails upon the commissioner to bring him to their apartment so that they may retrieve some love letters written by the princess; but Kovacs names as his price the princess' spending the night in his quarters. He and the princess are reconciled.
Si l'empereur savait ça! was the French-language version of His Glorious Night (1929). The onscreen cast and crew credits were taken from a studio cutting continuity.