The Kremlin Letter is a 1970 American spy thriller movie directed by John Huston and was based on the 1966 novel of the same name by Noel Behn. It stars Patrick O'Neal, Richard Boone, Max von Sydow, Bibi Andersson, Barbara Perkins, George Sanders, Nigel Green, Orson Welles, Dean Jagger and was distributed by 20th Century Fox.