Rats: Night of Terror (Italian: Rats - Notte di terrore ) is a 1984 post-apocalyptic thriller film directed by Bruno Mattei and Claudio Fragasso.
Robowar (also known as Robot da guerra) is a 1988 science fiction-action-horror film, starring Reb Brown, Catherine Hickland, and Massimo Vanni.
 Directed by Bruno Mattei under his most common pseudonym, Vincent Dawn, and written by the husband and wife team of Claudio Fragasso and Rosella Drudi, "Robowar" is a rip-off of the 1987 American film "Predator", in the tradition of "Shocking Dark" and "Strike Commando", both also directed by Mattei.
 Although featuring a partially American cast, the movie was never released in the United States.
Andres Wood (born in 1965) is a Chilean film director, producer and writer.
 Some of his most popular films include "Machuca", "Violeta se fue a los cielos", and "Historias de Futbol".
 He created his own production company known as Wood Producciones in 1993.
Violence in a Women's Prison (Italian: "Violenza da un Carcere Femminile" ) is a 1982 Italian-French women in prison film directed by Bruno Mattei.
 It was also released as "Caged Women", "Emanuelle in Hell" or "Emanuelle Escapes from Hell".
Porno Holocaust is a 1981 Italian sexploitation horror film directed by Joe D'Amato, and written by George Eastman.
 The film was co-directed by Bruno Mattei (uncredited).
Bruno Mattei (30 July 1931 – 21 May 2007) was an Italian film director, screenwriter and editor who directed exploitation films in many genres, including women in prison, nunsploitation, zombie, cannibal and Naziploitation films.
 Mattei's films were often following the popular genre trends of the era.
 Mattei continued work as a director until his death in 2007.
The Other Hell (Italian: "L'altro inferno" , also known as Guardian of Hell) is a 1981 Italian horror film written and directed by Bruno Mattei and starring Franca Stoppi and Carlo De Mejo.
Emanuelle Escapes from Hell (Italian: Emanuelle fuga dall'inferno), also known as Blade Violent, Women's Prison Massacre, and Emanuelle in Prison is a 1983 Italian women in prison film directed by Bruno Mattei and starring Laura Gemser, Gabriele Tinti, Carlo De Mejo, Lorraine De Selle, and Franca Stoppi.
 The film was written and co-directed by Claudio Fragasso (a longtime Mattei collaborator), and was shot in 1982 with a mostly French crew.
 The film has achieved a certain level of cult status recently due to its exploitive nature, extreme violence, and cheesy dialog.
Shocking Dark (also known as Terminator II, Terminator 2, Alienators, and Contaminator) is a 1989 Italian science-fiction film written by Claudio Fragasso, produced by Franco Gaudenzi and directed by Bruno Mattei.
Laurette Marcia "Laura" Gemser (born 5 October 1950, Surabaya) is a retired Indonesian-Dutch actress, model and costume designer.
 She is primarily known for her work in Italian erotic cinema, most notably the "Black Emanuelle" series.
 Many of her films were collaborations with directors Joe D'Amato and Bruno Mattei.

Question: What do Bruno Mattei and Andrés Wood have in common?
Answer: film director