Which screenplay by Kenneth Ross  was directed by Fred Zinnemann?
The Day of the Jackal (film) The Day of the Jackal is a 1973 Anglo-French political thriller film directed by Fred Zinnemann and starring Edward Fox and Michel Lonsdale. Based on the 1971 novel "The Day of the Jackal" by Frederick Forsyth, the film is about a professional assassin known only as the "Jackal" who is hired to assassinate French president Charles de Gaulle in the summer of 1963.
Jeffrey Nachmanoff Jeffrey Nachmanoff (born March 9, 1967) is an American screenwriter and director. He wrote the screenplay for the 2004 blockbuster film "The Day After Tomorrow". He wrote and directed "Traitor", which was released on August 27, 2008. His commercially most successful films have been "The Day After Tomorrow", which grossed US$544 million, and "The Tourist", which grossed US$278 million.