The Kremlin Letter is an American spy film directed by John Huston, starring Richard Boone, Orson Welles, Max von Sydow, Bibi Andersson, Patrick O'Neal and George Sanders. It was released in February 1970 by 20th Century-Fox.The screenplay was co-written by Huston and Gladys Hill as a faithful adaptation of the novel by Noel Behn, who had worked for the United States Army's Counterintelligence Corps.