"Marathon Man" is a 1976 thriller film directed by John Schlesinger, based on the novel by William Goldman. The story follows a graduate student, Babe Levy, played by Dustin Hoffman, who becomes entangled in a dangerous conspiracy involving a Nazi war criminal, Dr. Christian Szell, portrayed by Laurence Olivier. The film explores themes of trust, betrayal, and survival. The plot thickens as Babe unwittingly discovers his brother's secret life, leading to intense confrontations and a gripping climax. The film is notable for its suspenseful storytelling and memorable performances, particularly Olivier's chilling portrayal of the antagonist.