Leslie H. Martinson
Leslie Herbert "Les" Martinson (January 16, 1915 – September 3, 2016) was an American television and film director.
Peter Levin
Peter Levin is an American director of film, television and theatre.
Ben Cura
Ben Cura( born 30 September 1988) is a British- Argentine actor and director of film, television and theatre.
Brian Johnson (special effects artist)
Brian Johnson( born 1939 or 1940) is a British designer and director of film and television special effects.
Robert Hartford-Davis
Robert Hartford-Davis (born William Henry Davis, 23 July 1923 – 12 June 1977) was a British born producer, director and writer, who worked on film and television in both in the United Kingdom and United States.
He is also sometimes credited as Michael Burrowes or Robert Hartford.
Ian Barry (director)
Ian Barry is an Australian director of film and TV.
Hanro Smitsman
Hanro Smitsman, born in 1967 in Breda( Netherlands), is a writer and director of film and television.
Jason Moore (director)
Jason Moore( born October 22, 1970) is an American director of film, theatre and television.
Black Gunn
Black Gunn is a 1972 Neo-noir blaxploitation film starring Jim Brown and Martin Landau and directed by Robert Hartford-Davis.
Hot Rod Rumble
Hot Rod Rumble is a US, low budget, black-and-white 1957 teen-oriented drag racing crime drama produced by Norman T. Herman and directed by Leslie H. Martinson.
It stars Leigh Snowden and Richard Hartunian.
The film tells the story of a clash within the Road Devils hot rod club when some of its members jump to a wrong conclusion following the accidental death of one of them in a car crash.
"Hot Rot Rumble" was Hartunian's only film.
The film itself spun off a novel and had its soundtrack released on an LP.

Question: Are director of film Black Gunn and director of film Hot Rod Rumble from the same country?
Answer: no