A petty criminal fakes insanity to serve his sentence in a mental ward rather than prison. He soon finds himself as a leader to the other patients—and an enemy to the cruel, domineering nurse who runs the ward.
Jack Nicholson
as Randle Patrick McMurphy
Brad Dourif
as Billy Bibbit
Louise Fletcher
as Nurse Mildred Ratched
Danny DeVito
as Martini
William Redfield
as Dale Harding
Scatman Crothers
as Orderly Turkle
Christopher Lloyd
as Max Taber
Will Sampson
as Chief Bromden
Dean R. Brooks
as Dr. John Spivey
Michael Berryman
as Ellis
Sydney Lassick
as Charlie Cheswick
William Duell
as Jim Sefelt