Complex sentence: Originally Sidney Lumet was to have directed Jack Lemmon as Paul and Henry Fonda as Lt Ochoa until the original producer was replaced by Italian film mogul Dino De Laurentiis and marketed by Paramount Pictures.
Split into simpler sentences: Originally Sidney Lumet was to have directed Jack Lemmon as Paul and Henry Fonda as Lt Ochoa. The original producers were replaced by Italian film mogul Dino De Laurentiis and marketed by Paramount Pictures.