Who wrote the book that the movie starring Michael John Berryman starred in 1975 was based on?
Michael Berryman: Michael John Berryman (born September 4, 1948) is an American actor. Michael Berryman:  He came to prominence with his roles in "One Flew over the Cuckoo's Nest" in 1975 and "The Hills Have Eyes" in 1977. One Flew Over the Cuckoo's Nest (film): One Flew Over the Cuckoo's Nest is a 1975 American comedy-drama film directed by Miloš Forman, based on the 1962 novel "One Flew Over the Cuckoo's Nest" by Ken Kesey.
Ken Kesey