Rest House
Rest House is a 1969 Indian Malayalam film, directed by J. Sasikumar and produced by K. P. Kottarakkara.
The film stars Prem Nazir, Sheela, Sreelatha Namboothiri and Raghavan in the lead roles.
The film had musical score by M. K. Arjunan.
Hanro Smitsman
Hanro Smitsman, born in 1967 in Breda( Netherlands), is a writer and director of film and television.
Vortex (1976 film)
Blondy( also known as Blondie, Germacide, and Vortex) is a 1976 erotic thriller film directed by Sergio Gobbi and starring Rod Taylor, Bibi Andersson, Catherine Jourdan, and Mathieu Carrière.
It was shot in Paris in September 1975.
Howard W. Koch
Howard Winchel Koch( April 11, 1916 – February 16, 2001) was an American producer and director of film and television.
Brian Johnson (special effects artist)
Brian Johnson( born 1939 or 1940) is a British designer and director of film and television special effects.
Sergio Gobbi
Sergio Gobbi( born 13 May 1938 in Milan, Italy), born as Sergio Ehrlich, is an Italian- French filmmaker, who was married to Jocelyn Wildenstein.
Rachel Feldman
Rachel Feldman( born August 22, 1954) is an American director of film and television and screenwriter of television films.
Peter Levin
Peter Levin is an American director of film, television and theatre.
J. Sasikumar
Nambiathusseril Varkey John( 14 October 1927 – 17 July 2014), better known by his screen name Sasikumar, was an Indian film director who worked in Malayalam cinema.
One of the most prolific directors in world cinema, he has directed more than 141 films in his career which began in the mid-1960s.
He is often referred to as Hitmaker Sasikumar due to the commercial success of his films.
Sasikumar holds three world records: the records for most films( 141), most films having the same actor as hero( Prem Nazir in 84 films) and the most films directed in a year( 15 films in 1977).
He died in 2014 at the age of 86.
Ian Barry (director)
Ian Barry is an Australian director of film and TV.

Question: Do director of film Vortex (1976 Film) and director of film Rest House have the same nationality?
Answer: no