Crossing the Line was directed by Peter Jackson, and had an additional director who was what South African film director who is best known for District 9?
Crossing the Line (2008 film): Crossing the Line is a 2008 war short film written and directed by Peter Jackson set in World War I. Crossing the Line (2008 film):  Neill Blomkamp serves as additional director. Neill Blomkamp:  He is best known as the co-writer and director of the critically acclaimed and financially successful science fiction film "District 9", for which he was nominated for the Academy Award for Best Adapted Screenplay.
i don't know