Robert Thomas (28 September 1927 in Gap, Hautes-Alpes – 3 January 1989) was a French writer, actor and film director. As a writer, almost from the beginning, he was fascinated by a curious genre that he helped invent: the comédie policière or comedy thriller, of which Eight Women is an example. In 1960, Thomas had a hit with Man Trap, a humorous murder mystery which was an overnight success in Paris. Alfred Hitchcock bought the rights and the play established Thomas as a writer of psychological...