Question: Gillo Pontecorvo and Ivan Tors, have which occupation in common?

Context articles: The Wide Blue Road
Ogro
Gillo Pontecorvo
Cineriz
Maysoon Pachachi
Ivan Tors
Evaristo Márquez
Burn!
Kapò
The Battle of Algiers

The Wide Blue Road (Italian: "La grande strada azzurra" ) is a 1957 Italian romance drama film directed by Gillo Pontecorvo and Maleno Malenotti.
Operación Ogro is a 1979 Spanish and Italian drama film written and directed by Gillo Pontecorvo.
Gillo Pontecorvo (] ; 19 November 1919 – 12 October 2006) was an Italian filmmaker.
 He worked as a film director for more than a decade before his best known film "La battaglia di Algeri" ("The Battle of Algiers", 1966) was released.
 It won the Golden Lion at the Venice Film Festival in 1966.
Cineriz was an Italian media company, involved primarily in the production and distribution of films, founded in the early 50s by the businessman Angelo Rizzoli.
 The company catalogue counts also many movies directed by Federico Fellini, Gillo Pontecorvo, Luchino Visconti, Michelangelo Antonioni, Pier Paolo Pasolini, Pietro Germi, Roberto Rossellini and Vittorio De Sica.
Maysoon Pachachi (born September 17, 1947) is a film director, editor and producer of Iraqi origin.
 She was educated in Iraq, the U.S., Britain and can speak English, Arabic, French and Italian.
 She studied Philosophy at University College London (BA Hons) and Film at the Slade School of Art under Thorold Dickinson where visiting lecturers included Jean Renoir and Gillo Pontecorvo.
 She has made documentaries in Iraq, Iran, Palestine, Egypt, Syria and Lebanon.
 Aside from making films, Maysoon has also taught film directing and editing in Britain, Iraq and Palestine (in Jerusalem, Gaza and at Birzeit University).
 She now lives in Britain where she co-founded Act Together: Women Against Sanctions and War on Iraq, a group of UK-based Iraqi and non-Iraqi women formed in 2000 to campaign against the economic sanctions on Iraq.
 They also campaigned against the invasion of Iraq.
 Now the group's focus is on the occupation and the support of independent grassroots women’s initiatives in Iraq.
 She has also written articles on her work in Iraq and Palestine for the New Statesman and The Guardian amongst other publications.
Ivan Tors (born Iván Törzs; June 12, 1916  in Budapest, Hungary– June 4, 1983 in the Brazilian state of Mato Grosso) was a Hungarian playwright, film director, screenwriter, and film and television producer with an emphasis on non-violent but exciting science fiction, underwater sequences, and stories involving animals.
 He started a Miami-based film studio now known as Greenwich Studios, and later a music company.
Evaristo Márquez (August 23, 1939 – June 15, 2013), was an Afro-Colombian actor and herdsman best known for his role as José Dolores in the film "Burn!
", acting alongside Marlon Brando under the direction of Gillo Pontecorvo.
Burn!
 (Italian: "Queimada") is a 1969 Italian-French war drama film directed by Gillo Pontecorvo and starring Marlon Brando, Evaristo Márquez and Renato Salvatori.
 The music was composed by Ennio Morricone.
 The fictional story focuses on the creation of a banana republic in the Caribbean, and the events that follow it.
 Brando plays a British secret government agent, named after the American filibuster William Walker, who manipulates a slave revolt to serve the interests of the sugar trade.
Kapò (] ) is a 1960 Italian film about the Holocaust directed by Gillo Pontecorvo.
 It was nominated for the Academy Award as Best Foreign Language Film.
 It was an Italian-French co-production filmed in Yugoslavia.
The Battle of Algiers (Italian: "La battaglia di Algeri" ; Arabic: معركة الجزائر‎ ‎ ; French: "La Bataille d'Alger" ) is a 1966 Italian-Algerian historical war film co-written and directed by Gillo Pontecorvo and starring Jean Martin and Saadi Yacef.
 It is based on events during the Algerian War (1954–62) against the French government in North Africa; the most prominent being the titular Battle of Algiers, the capital of Algeria.
 It was shot on location and the film score was composed by Ennio Morricone.
 The film, which was shot in a Rossellini-inspired newsreel style—in black and white with documentary-type editing—is often associated with Italian neorealism cinema.