3. THE FRENCH CONNECTION 1971

Gene Hackman, one of the most admired actors in Hollywood, was at the peak of his career in the 1970s: In addition to this cop thriller (for which he won an Oscar) and its sequel, he had I Never Sang for My FatherThe Poseidon AdventureThe Conversation (which could also be on this list), Night MovesSuperman (he remains the quintessential Lex Luthor), and a hilarious turn as a blind man in Young FrankensteinThe French Connection cast him as a New York police detective chasing down drug smugglers, and director William Friedkin guided the film to a win for Best Picture of 1971.