Peter Levin
Peter Levin is an American director of film, television and theatre.
Waldrada of Lotharingia
Waldrada was the mistress, and later the wife, of Lothair II of Lotharingia.
Gladys Spencer-Churchill, Duchess of Marlborough
Gladys Marie Spencer-Churchill, Duchess of Marlborough ("née" Deacon; 7 February 1881 – 13 October 1977) was a French American aristocrat and socialite.
She was the mistress and later the second wife of Charles Spencer-Churchill, 9th Duke of Marlborough.
Ian Barry (director)
Ian Barry is an Australian director of film and TV.
Louise Bourgeois: The Spider, the Mistress, and the Tangerine
Louise Bourgeois:
The Spider, the Mistress and the Tangerine is a 2008 documentary film about artist and sculptor Louise Bourgeois directed by Marion Cajori and Amei Wallach and distributed by Zeitgeist Films.
Richard Oswald
Richard Oswald (5 November 1880 – 11 September 1963) was an Austrian director, producer, and screenwriter.
Vera de Bosset
Vera de Bosset Stravinsky (January 7, 1889 – September 17, 1982) was a Russian-born American dancer and artist.
She is better known as the mistress and, ultimately, second wife of the Russian composer Igor Stravinsky, who married her in 1940.
Emilie Ortlöpp
Countess Emilie of Reichenbach- Lessonitz née Ortlöpp( 13 May 1791 in Berlin – 12 February 1843 in Frankfurt) was the mistress and later second wife of Elector William II of Hesse.
The Mistress and her Servant
The Mistress and her Servant (German: Die Herrin und ihr Knecht) is a 1929 German silent film directed by Richard Oswald and starring Henny Porten, Mary Kid and Fritz Kampers.
It was based on the novel of the same title by Georg Engel.
The film's art direction was by Franz Schroedter.
Christiane Vulpius
Johanna Christiana Sophie Vulpius (1 June 1765 – 6 June 1816) was the mistress and wife of Johann Wolfgang Goethe.

Question: What nationality is the director of film The Mistress And Her Servant?
Answer: Austrian