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.
Roger Lemelin Roger Lemelin, {'1': ", '2': ", '3': ", '4': "} (April 7, 1919 – March 16, 1992) was a Quebec novelist, television writer and essayist.