János Szász ( born 14 March 1958 ) is a Hungarian film director , screenwriter and theater director . He has directed eleven films since 1983 . His film '' Witman fiúk '' was screened in the Un Certain Regard section at the 1997 Cannes Film Festival and was entered into the 20th Moscow International Film Festival . His 2007 film '' Opium : Diary of a Madwoman '' was entered into the 29th Moscow International Film Festival
1997 Cannes Film Festival
1997 Cannes Film Festival
János Szász