Robert Wiene
Robert Wiene (27 April 1873 – 17 July 1938) was a film director of the silent era of German cinema.
He is particularly known for directing the German silent film "The Cabinet of Dr. Caligari" and a succession of other expressionist films.
Wiene also directed a variety of other films of varying styles and genres.
Following the Nazi rise to power in Germany, Wiene, who was of Jewish descent, fled into exile.
Brian Johnson (special effects artist)
Brian Johnson( born 1939 or 1940) is a British designer and director of film and television special effects.
Hanro Smitsman
Hanro Smitsman, born in 1967 in Breda( Netherlands), is a writer and director of film and television.
Ian Barry (director)
Ian Barry is an Australian director of film and TV.
Knutzy Knights
Knutzy Knights is a 1954 short subject directed by Jules White starring American slapstick comedy team The Three Stooges( Moe Howard, Larry Fine and Shemp Howard).
It is the 156th entry in the series released by Columbia Pictures starring the comedians, who released 190 shorts for the studio between 1934 and 1959.
Jason Moore (director)
Jason Moore( born October 22, 1970) is an American director of film, theatre and television.
Ben Cura
Ben Cura( born 30 September 1988) is a British- Argentine actor and director of film, television and theatre.
Jules White
Jules White( born Julius Weiss; 17 September 190030 April 1985) was a Hungarian- born American film director and producer best known for his short- subject comedies starring The Three Stooges.
Boarding House Groonen
Boarding House Groonen( German: Pension Groonen) is a 1925 Austrian silent comedy film directed by Robert Wiene and starring Anton Edthofer, Karl Forest and Harry Nestor.
It was Wiene's first film in Vienna, where he had moved to from Berlin to work for Pan Film.
The film was made in 1924, but its premiere was delayed until 9 January 1925.
Peter Levin
Peter Levin is an American director of film, television and theatre.

Question: Do director of film Boarding House Groonen and director of film Knutzy Knights share the same nationality?
Answer: no