Which screenwriter is French, Roger Vadim or Robert Z. Leonard?
Robert Z. Leonard Robert Zigler Leonard (October 7, 1889 – August 27, 1968) was an American film director, actor, producer, and screenwriter.
Maurice Cloche Maurice Cloche (17 June 1907, Commercy, Meuse – 20 March 1990) was a French film director, screenwriter and film producer. His movie "Monsieur Vincent" (1947) won a 1948 Special Academy Award for Best Foreign Language Film.