Howard W. Koch
Howard Winchel Koch( April 11, 1916 – February 16, 2001) was an American producer and director of film and television.
Rachel Feldman
Rachel Feldman( born August 22, 1954) is an American director of film and television and screenwriter of television films.
Brian Johnson (special effects artist)
Brian Johnson( born 1939 or 1940) is a British designer and director of film and television special effects.
Submerged (2016 film)
Submerged is a 2016 American survival thriller film directed by Steven C. Miller and starring Jonathan Bennett and Talulah Riley.
Rosa Porten
Rosa Porten( 18 February 1884 – 7 May 1972) was a prolific German screenwriter, actor, and director during the silent film era.
Steven C. Miller
Steven C. Miller is an American screenwriter, editor, and director.
He has directed three films starring Bruce Willis:" Extraction"( 2015)," Marauders"( 2016) and" First Kill"( 2017).
Ian Barry (director)
Ian Barry is an Australian director of film and TV.
Peter Levin
Peter Levin is an American director of film, television and theatre.
Film Kathi
Film Kathi( German: Die Filmkathi) is a 1918 German silent comedy film directed by Franz Eckstein and Rosa Porten and starring Porten, Reinhold Schünzel and Paul Rehkopf.
Hanro Smitsman
Hanro Smitsman, born in 1967 in Breda( Netherlands), is a writer and director of film and television.

Question: Do director of film Submerged (2016 Film) and director of film Film Kathi share the same nationality?
Answer: no