Question: Duccio Tessari and Mervyn LeRoy, have which shared occupation?

Context paragraphs:
Waterloo Bridge (1940 film): Waterloo Bridge is a 1940 remake of the 1931 American drama film also called "Waterloo Bridge", adapted from the 1930 play "Waterloo Bridge".  In an extended flashback narration, it recounts the story of a dancer and an army captain who meet by chance on Waterloo Bridge.  The film was made by Metro-Goldwyn-Mayer, directed by Mervyn LeRoy and produced by Sidney Franklin and Mervyn LeRoy.  The screenplay is by S. N. Behrman, Hans Rameau and George Froeschel, based on the Broadway drama by Robert E. Sherwood.  The music is by Herbert Stothart and cinematography by Joseph Ruttenberg.

Mervyn LeRoy: Mervyn LeRoy (October 15, 1900 – September 13, 1987) was an American film director, film producer and occasional actor.

Tex and the Lord of the Deep: 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.

Long Live Your Death: 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.

Three Tough Guys: 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.

W-L Ranch Co.: W-L Ranch Co. was an American Thoroughbred horse racing and breeding partnership between Hollywood film studio executive Harry M. Warner and film director Mervyn LeRoy.  Warner's daughter, Doris, was married to Mervyn LeRoy.

Duccio Tessari: Duccio Tessari (11 October 1926 – 6 September 1994) was an Italian director, screenwriter and actor, considered one of the fathers of spaghetti westerns.

Zorro (1975 Italian film): 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.

Puzzle (1974 film): 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".

The Cats (1968 film): The Cats (Italian: I bastardi ) is a 1968 crime film directed by Duccio Tessari and starring Rita Hayworth.

Supporting paragraphs: Duccio Tessari Mervyn LeRoy
Answer: actor