Howard W. Koch
Howard Winchel Koch( April 11, 1916 – February 16, 2001) was an American producer and director of film and television.
The White Rose (1923 film)
The White Rose is a 1923 American silent drama film directed by D. W. Griffith.
The film was written, produced, and directed by Griffith, and stars Mae Marsh, Ivor Novello, Carol Dempster, and Neil Hamilton.
The River Girl
The River Girl( Italian:" La donna del fiume") is a 1955 French- Italian melodrama film directed by Mario Soldati and starring Sophia Loren, Gérard Oury and Rik Battaglia.
Peter Levin
Peter Levin is an American 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.
Rachel Feldman
Rachel Feldman( born August 22, 1954) is an American director of film and television and screenwriter of television films.
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.
D. W. Griffith
David Wark Griffith( January 22, 1875 – July 23, 1948) was an American film director.
Widely considered as the most important filmmaker of his generation, he pioneered the feature- length movie and many enduring cinematic techniques, such as the close- up.
His film" The Birth of a Nation"( 1915) broke box- office records but also attracted much controversy, as it depicted African Americans in a negative light and glorified the Ku Klux Klan.
" Intolerance"( 1916) was made as an answer to his critics.
Several of Griffith's later films were also successful, including" Broken Blossoms"( 1919)," Way Down East"( 1920), and" Orphans of the Storm"( 1921), but the high costs he incurred for production and promotion often led to commercial failure.
He had made roughly 500 films by the time of his final feature," The Struggle"( 1931).
Together with Charlie Chaplin, Mary Pickford, and Douglas Fairbanks, he founded United Artists, enabling them to control their own interests, rather than depending on commercial studios.
Griffith was a founder member of the Academy of Motion Picture Arts and Sciences.
Mario Soldati
Mario Soldati( 17 November 1906 – 19 June 1999) was an Italian writer and film director.
In 1954 he won the Strega Prize for" Lettere da Capri."
He directed several works adapted from novels, and worked with leading Italian actresses, such as Sophia Loren and Gina Lollobrigida.

Question: Do director of film The River Girl and director of film The White Rose (1923 film) have the same nationality?
Answer: no