One Flew Over the Cuckoo's Nest
Sentenced to a short term in jail, Randle Patrick McMurphy (Jack Nicholson) decides to feign madness and take it easy in a psychiatric institution where he unexpectedly encounters his nemesis, nurse Ratched (Louise Fletcher).
Widely acclaimed as a masterpiece of American cinema, Forman's breakthrough work is a fine adaptation of Ken Kesey's acclaimed 1962 novel and was the first film in 41 years to win in all the major categories at the 1975 Academy Awards - Best Picture, Director, Actor, Actress and Screenplay.
With Brad Dourif, Danny DeVito and Christopher Lloyd.