It was based on Greene's novella of the same name, written solely to be a source ext for the film screenplay and never intended to be read or published.Its two main taglines were:What's slower than a speeding bullet, and able to hit tall buildings at a single bound?Thank God it's only a motion picture!Released in the summer of 1980 by Paramount, this popular hit came from the comedy writing/directing team of David Zucker, Jim Abrahams and Jerry Zucker (known colloquially as ZAZ and their brand of "ZAZ humor") - it was their directorial debut feature film.Harry realized that the prophecy ("Neither one can live while the other one survives") had to occur - he knew in the end that one of them would have to kill the other.(in person) And I have arrived at the inescapable conclusion that he object and its occupant did not originate on Earth.Although he elegant gentleman de Winter converses with the older woman, who absurdly strives to be accepted in the fashionable social circles of the Continent, he appears interested in speaking to the young woman but she is totally dominated and controlled by the matron.