Which screenplay by Kenneth Ross  was directed by Fred Zinnemann?
Black Sunday (1977 film) Black Sunday is a 1977 American thriller film directed by John Frankenheimer, based on Thomas Harris' novel of the same name. The film was produced by Robert Evans, and stars Robert Shaw, Bruce Dern and Marthe Keller. It was nominated for the Edgar Allan Poe Award for Best Motion Picture in 1978. The screenplay was by Ernest Lehman, Kenneth Ross and Ivan Moffat. Ross had previously written the screenplay for "The Day of the Jackal", a similar plot-driven political thriller.
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.