Duccio Tessari (11 October 1926 – 6 September 1994) was an Italian director, screenwriter and actor, considered one of the fathers of spaghetti westerns.
Kiss Kiss... Bang Bang is a 1966 Italian spy movie directed by Duccio Tessari and starring Giuliano Gemma.
L’uomo senza memoria (internationally released as Puzzle and "Man Without a Memory") is a 1974 Italian giallo film directed by Duccio Tessari.
 It was written by Ernesto Gastaldi. "
La Stampa" defined the film as "full of ideas and with a strong storyline".
Long Live Your Death (aka "Don't Turn the Other Cheek!"
, originally titled "Viva la muerte... tua!")
 is a 1971 Italian/Spanish/German international co-production spaghetti western/ action comedy film directed by Duccio Tessari.
 The film is mostly a send up of "political" Spaghetti Westerns (also called Zapata Westerns), like A Professional Gun and Compañeros.
Tex and the Lord of the Deep (Italian: "Tex e il signore degli abissi" ) is a 1985 Western film directed by Duccio Tessari.
 The film is an adaptation of the "Tex" comic series that were popular in Italy.
 Previously attempted to be made into a production in the late 1960s and early 1970s, the film was eventually made by Tessari who adapted the film from the comics originally to be a pilot for a television series.
There Was a Castle with Forty Dogs (Italian: "C'era un castello con 40 cani" ) is a 1990 comedy film, starring Peter Ustinov and directed by Duccio Tessari.
 It is based on the novel "Au bonheur des chiens" by Rémo Forlani.
The Cats (Italian: I bastardi ) is a 1968 crime film directed by Duccio Tessari and starring Rita Hayworth.
Zorro is a 1975 Italian/French film based on the character created by Johnston McCulley.
 Directed by Duccio Tessari, it stars French actor Alain Delon as Zorro.
 Filmed in Spain, this Italian movie has many spaghetti western elements to it.
Three Tough Guys (also known as "Tough Guys") is a 1974 crime-action film directed by Duccio Tessari.
 It may be regarded as an example of the Blaxploitation genre.
 It stars Lino Ventura, Fred Williamson and Isaac Hayes, who also composed the soundtrack.
 It is a coproduction between United States, Italy (where it was released "Uomini duri") and France (where is known as "Les Durs").
 The film was shot in Chicago.
Gustav Machatý (9 May 1901 – 13 December 1963) was a Czech film director, screenwriter and actor.
 He directed 17 films between 1919 and 1955, including "Ecstasy" (1933).
 He also was the screenplay writer for 10 films between 1920 and 1955.
 He was born in Prague, and died in Munich, West Germany, where he emigrated after World War II and worked as a teacher in a film school.

Question: Both Duccio Tessari and Gustav Machatý worked what professions? 
Answer: director, screenwriter and actor