Brian Johnson (special effects artist)
Brian Johnson( born 1939 or 1940) is a British designer and director of film and television special effects.
Ian Barry (director)
Ian Barry is an Australian director of film and TV.
Howard W. Koch
Howard Winchel Koch( April 11, 1916 – February 16, 2001) was an American producer and director of film and television.
Hanro Smitsman
Hanro Smitsman, born in 1967 in Breda( Netherlands), is a writer and director of film and television.
Sixteen Fathoms Deep (1948 film)
Sixteen Fathoms Deep( also written as 16 Fathoms Deep) is a 1948 American adventure film directed by Irving Allen and starring Lloyd Bridges, Lon Chaney Jr. and Arthur Lake.
It was a remake of the 1934 film of the same title in which Chaney had also starred.
Peter Levin
Peter Levin is an American director of film, television and theatre.
Armand Schaefer
Armand Schaefer (5 August 1898 – 26 September 1967) was a Canadian film producer and director.
He produced over 100 films between 1932 and 1953.
He also directed 24 films between 1931 and 1946.
He was born in Tavistock, Ontario, Canada.
From 1955 to 1956, he joined Gene Autry as co-executive producers of the Dickie Jones western television series "Buffalo Bill, Jr.
Sixteen Fathoms Deep
Sixteen Fathoms Deep is a 1934 American film directed by Armand Schaefer and starring Lon Chaney Jr and Sally O'Neil.
It was an early leading role for Chaney, then billed as "Creighton Chaney".
Seth Holt
Seth Holt (1923, Palestine – 14 February 1971, London) was a British film director, producer and editor.
His films are characterized by their tense atmosphere and suspense, as well as their striking visual style.
In the 1960s, "Movie" magazine championed Holt as one of the finest talents working in the British film industry, although his output was notably sparse.
The Nanny (1965 film)
The Nanny is a 1965 British suspense film directed by Seth Holt, and starring Bette Davis, Wendy Craig, and Jill Bennett.
Davis appears as a supposedly devoted nanny caring for a 10- year- old boy recently discharged from a home for disturbed children.
It is based on the novel of the same title by Evelyn Piper( a pseudonym for Merriam Modell), and the film was scored by Richard Rodney Bennett.
The film was made by Hammer Film Productions at Elstree Studios.

Question: Do director of film Sixteen Fathoms Deep and director of film The Nanny (1965 film) share the same nationality?
Answer: no