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.
Mon père avait raison Mon père avait raison is a 1996 French TV movie directed by Roger Vadim starring Marie-Christine Barrault, Claude Rich and Nicolas Vaude. It was based on a play by Sacha Guitry.