his residence, Georges discovers the writing paper on which that the invitation to the opera ball was written, and tries to figure out the situation. Things build to the point where Georges challenges Paul to a duel. Finally, Marguérite and Angèle show their intact pink dominoes, which nominally proves the fidelity of their husbands. The role of Hortense in the plot is revealed to all. Film versions Three films have been made of Der Opernball. Opera Ball (dir. Géza von Bolváry, 1939), with Paul Hörbiger, Marte Harell, Hans Moser, Heli Finkenzeller, Theo Lingen, Fita Benkhoff, Will Dohm Opera Ball (dir. Ernst Marischka, 1956), with Johannes Heesters, Hertha Feiler, Josef Meinrad, Sonja Ziemann, Adrian Hoven, Fita Benkhoff, Theo Lingen (reprising the role of Germain, the servant) Der Opernball (dir. Eugen York, 1971, for ZDF), with Harald Serafin, Helen Mané, Maurice Besançon, Maria Tiboldi, Uwe Friedrichsen, Christiane Schröder Recordings See also The Pink Dominos (1877 play) To-Night's the Night (1914 musical) References External links Libretto, Bosworth, Leipzig 1899 German-language operettas 1898 operas Operas based on plays Operas Operas set in Paris