40. One Flew Over the Cuckoo’s Nest (1975)
Milos Forman’s literary adaptation boasts perhaps the single greatest collective performance by an ensemble cast in a major movie, despite the two main characters scooping most of the plaudits.
Jack Nicholson and Louise Fletcher dominate every inch of the screen in two powerhouse turns, as the battle for supremacy in a mental institution intensifies at every turn.
One of the rare movies to win the Big Five of Best Picture, Director, Actor, Actress and Screenplay at the Academy Awards, One Flew Over the Cuckoo’s Nest has lost none of its power in the years since.