Are León Klimovsky and Roger Avary both screenwriters?
León Klimovsky León Klimovsky (16 October 1906–8 April 1996) was an Argentine film director, screenwriter and film producer.
Joel Potrykus Joel Potrykus is an American film director and screenwriter. His feature film debut "Ape" won the Best New Director prize at the 2012 Locarno Film Festival, while his follow-up feature "Buzzard" won the FIPRESCI Prize at the 2014 Ljubljana International Film Festival.