Question: What is the common profession of Jean-Pierre Melville and Manfred Noa?

Context articles: Road to Rio (1931 film)
Hermann Picha
Code Name Melville
The Queen of Sparta
Helena (1924 film)
Eva May
Why Get a Divorce?
Manfred Noa
My Heart Incognito
Jean-Pierre Melville

Road to Rio (German: Der Weg nach Rio) is a 1931 German crime film directed by Manfred Noa and starring Maria Matray, Oskar Homolka and Oskar Marion.
 It premiered on 15 January 1931.
Hermann Picha (20 March 1865 – 7 June 1936) was a German stage and film actor.
 Picha was extremely prolific, appearing in over 300 short and feature films during the silent and early sound eras.
 Picha played a mixture of lead and supporting roles during his career.
 He played the title role in the 1920 film "Wibbel the Tailor" directed by Manfred Noa.
 He appeared in Fritz Lang's "Destiny".
Code Name Melville (original French title: Sous le nom de Melville) is a feature length documentary about Jean-Pierre Melville, directed by Olivier Bohler and produced by Raphaël Millet for Nocturnes Productions in 2008.
 Its world premiere took place in November 2008 at the Golden Horse Film Festival in Taipei (Taiwan).
 It has been shown on French channel CinéCinéma Classic in March–April 2010, and on Belgian channel La Deux (RTBF) in May 2010.
 It is the first feature documentary about Jean-Pierre Melville since he died in 1973.
The Queen of Sparta (Italian:La regina di Sparta) is a 1931 film directed by Manfred Noa and starring Antonio Moray, Viola LaRosa and Franco Faris.
 The film was made by the low-budget Itala Film in Hollywood, primarily for release in Italian-speaking inhabitants of the United States.
 Shot as a silent with sound added later, it re-used footage from Noa's 1924 film "Helen of Troy".
Helena is a 1924 German silent drama film directed by Manfred Noa and starring Edy Darclea, Vladimir Gajdarov and Albert Steinrück.
 The film was based on the poem the "Iliad" by Homer.
 It was released in two separate parts: "The Rape of Helen" and "The Fall of Troy."
 It was produced by Bavaria Film at the Emelka Studios in Munich.
 The film was made on an epic scale with thousands of extras, and large sets which rivalled those of the larger Berlin-based UFA.
 For many years the film was considered partially lost until it was reconstructed from a version found in Swiss archives.
 The film has been described as Noa's "masterpiece," although it was so expensive that it seriously damaged the finances of Bavaria Film.
Eva May (29 May 1902 – 10 September 1924) was an Austrian actress.
 She was the daughter of the film director Joe May and his wife Mia May.
 She was married three times on each occasion to a film director: Manfred Liebenau, Lothar Mendes and the final time to Manfred Noa.
 In 1924 she committed suicide by gunshot.
Why Get a Divorce?
 (German: Warum sich scheiden lassen?)
 is a 1926 German silent comedy film directed by Manfred Noa and starring André Mattoni, Vivian Gibson and Colette Brettel.
 It premiered in Berlin on 4 March 1926.
 The film's art direction was by Julius von Borsody.
Manfred Noa (1893–1930) was a German film director.
 Noa was described by Vilma Bánky, who he directed twice, as her "favourite director".
 Noa's 1924 film "Helena" has been called his "masterpiece" although it was so expensive that it seriously damaged the finances of Bavaria Film.
My Heart Incognito (French:Mon coeur incognito) is a 1931 comedy film directed by André-Paul Antoine and Manfred Noa and starring Mady Christians.
 It was made by Germany's Aafa-Film as the French-language version of "Lieutenant, Were You Once a Hussar?
".
 Such multi-language versions were common during the early years of sound.
Jean-Pierre Melville (] ; born Jean-Pierre Grumbach; 20 October 1917 – 2 August 1973) was a French filmmaker.