Umberto Lenzi
Umberto Lenzi (6 August 1931 – 19 October 2017) was an Italian film director, screenwriter and novelist.
A fan of film since young age, Lenzi studied at the Centro Sperimentale di Cinematografia and made his first film in 1958 which went unreleased, while his official debut happened in 1961 with "Queen of the Seas".
Lenzi's films of the 1960s followed popular trends of the era, which led to him directing several spy and erotic thriller films.
He followed in suit in the 1970s making "giallo" films, crime films and making the first Italian cannibal film with "Man from the Deep River".
He continued making films up until the 1990s and later worked as a novelist writing a series of murder mysteries.
Missing Link (1988 film)
Missing Link is a 1988 film written and directed by Carol and David Hughes.
Juliana (film)
Juliana is a 1988 film.
Greg Lamberson
Gregory Lamberson( born April 19, 1964) is an American filmmaker and author.
He is known for writing novels such as" Johnny Gruesome" and the series" The Jake Helman Files", and for directing the 1988 film" Slime City".
He is also one of the directors of the Buffalo Dreams Fantastic Film Festival.
The Vanishing (1988 film)
The Vanishing( literally:" Traceless" or" Without a Trace") is a 1988 thriller film directed by George Sluizer, adapted from the novella" The Golden Egg"( 1984) by Tim Krabbé.
It stars Gene Bervoets as a man who searches obsessively for his girlfriend following her disappearance at a rest area.
" The Vanishing" was released on 27 October 1988, and received positive reviews.
Sluizer remade the film in English in 1993; the remake was poorly received.
Duel of Fire
Duel of Fire( Italian:" Duello nella Sila") is a 1962 Italian adventure film directed by Umberto Lenzi.
It starred Fernando Lamas and Liana Orfei.
It was picked up for distribution in the US by AIP.
Tabataba (film)
Tabataba is a 1988 film directed by Raymond Rajaonarivelo.
The Vanishing Riders
The Vanishing Riders is a 1935 American film directed by Robert F. Hill.
Clair Obscur (1988 film)
Clair Obscur is a 1988 film directed by Bashar Shbib.
George Sluizer
George Sluizer( 25 June 1932 – 20 September 2014) was a Dutch filmmaker whose credits included features as well as documentary films.

Question: Are the directors of films The Vanishing (1988 Film) and Duel Of Fire both from the same country?
Answer: no