The Belko Experiment was written by an Australian director James Gunn.
The Belko Experiment is a 2016 American horror film directed by Greg McLean and written by James Gunn .	Greg McLean	Greg McLean	James Gunn	James Gunn	horror film	horror film
James Gunn -LRB- born August 5 -RRB- is an American screenwriter , director , producer , novelist , actor , and musician .
