Kenneth Ross screenwrote "The Day of the Jackal" based on which author's 1971 novel?
Kenneth Ross (screenwriter): Kenneth Ross is the Scottish-American screenwriter of the films "The Day of the Jackal" and "The Odessa File". The Day of the Jackal (film):  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.
i don't know