Cold Turkey (1971)
Reverend Brooks leads the town in a contest to stop smoking for a month, But some tobacco executives don't want them to win, and try everything they can to make them smoke. If townspeople don't go nuts, from wanting a cigarette, or kill each other from irritation and frustration, they will win a huge prize.
Directed by: Norman Lear
Starring: Dick Van Dyke, Pippa Scott, Tom Poston, Edward Everett Horton, Bob Elliott, Vincent Gardenia
Links: IMDb, Movie posters, Movie stills