The Net (1975 film)
The Net is a 1975 West German drama film directed by Manfred Purzer and starring Mel Ferrer.
Vasantha Obeysekera
Vasantha Obeysekera( 1937- 2017), was a great Sri Lankan film director and screenwriter.
Manfred Purzer
Manfred Purzer( born 13 April 1931) is a German screenwriter and film director.
He wrote for 27 films between 1955 and 1993.
In 1974, he was a member of the jury at the 24th Berlin International Film Festival.
The United States of America (film)
The United States of America is a 1975 film by James Benning and Bette Gordon.
Rudeness (film)
Rudeness is a 1975 film directed by Marino Girolami.
David Brown (producer)
David Brown( July 28, 1916 February 1, 2010) was an American film and theatre producer and writer who was best known for coproducing the 1975 film" Jaws" based on the best- selling novel by Peter Benchley.
Sewwandi
Sewwandi( The Rose) is a 2006 Sri Lankan Sinhala war drama film directed by Vasantha Obeysekera and co-produced by Sunil T. Fernando for Sunil T. Films with Sangeetha Weeraratne.
It stars Sangeetha Weeraratne herself with Kamal Addararachchi in lead roles along with Ravindra Randeniya and Chandani Seneviratne.
Music composed by Rohana Weerasinghe.
Along with the Sinhala copy, two more tamil copies were released in two theatres as well.
It is the 1080th Sri Lankan film in the Sinhala cinema.
Jack Shea (director)
Jack Shea (August 1, 1928 – April 28, 2013) was an American film and television director.
He was the president of the Directors Guild of America from 1997 to 2002.
The Firm Man
The Firm Man is a 1975 film which was the directorial debut of John Duigan.
Matt Corboy
Matt Corboy( born June 4, 1973) is an American actor.
He has appeared in both films and television series.

Question: Do both films The Net (1975 Film) and Sewwandi have the directors that share the same nationality?
Answer: no