Radio Pirates
Radio Pirates, also known as Big Ben Calling, is a 1935 British musical film directed by Ivar Campbell and starring Leslie French, Mary Lawson and Enid Stamp-Taylor.
It was made at Shepperton Studios.
Geoffrey McGivern
Geoffrey McGivern( born 1952) is an English actor in film, radio, stage and television.
David Pickvance
David Pickvance is a British – Australian composer working in film, radio and television.
Tim Seely
Tim Seely( born 10 June 1935) is an English film, radio, television and theatre actor.
Ivar Campbell
Ivar Campbell (born 1904, died 1985), full name Donald Robert Ivar Campbell, was a New Zealand screenwriter and film director.
Son of Lt-Col Robert Ormus Campbell and Beatrice (née Cadell).
Jeremy Williams (actor)
Jeremy David Williams( born November 11, 1982) is a British film, radio, television and theatre actor.
Gabriel Woolf
Gabriel Woolf( born 2 October 1932) is an English film, radio and television actor.
Ian Barry (director)
Ian Barry is an Australian director of film and TV.
William Eythe
William Eythe( April 7, 1918 – January 26, 1957) was an American actor of film, radio, television and stage.
Jeff Alexander
Jeff Alexander( July 2, 1910 – December 23, 1989), also known as Myer Alexander, was an American conductor, arranger, and composer of film, radio and television scores.

Question: What nationality is the director of film Radio Pirates?
Answer: New Zealand