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".
Charles Portis Charles McColl Portis (born December 28, 1933) is an American author best known for his novels "Norwood" (1966) and the classic Western "True Grit" (1968), both adapted as films. The latter also inspired a film sequel and a made-for-TV movie sequel. A newer film adaptation of "True Grit" was released in 2010.