Question: Randle McMurphy was portrayed in the film adaption by an actor who has performed for over how many years?

Context paragraphs:
Catwoman in other media: Catwoman is a fictional character first appearing in "Batman" #1.  After her debut she would appear in many forms of media appearing in the "Batman" TV series and its film adaption, "Batman Returns", the critically acclaimed "", the critically panned "Catwoman", the hit film "The Dark Knight Rises" and the popular "" series just to name a few.

Jack Nicholson: John Joseph Nicholson (born April 22, 1937) is an American actor and filmmaker, who has performed for over 60 years.  Nicholson is known for playing a wide range of starring or supporting roles, including satirical comedy, romance and dark portrayals of antiheroes and psychopathic characters.  In many of his films, he has played the "eternal outsider, the sardonic drifter," someone who rebels against the social structure.

Julian Baker: Julian Andrew Baker (born Julian Andrew Norris) is a fictional character on the CW television series "One Tree Hill", portrayed by Austin Nichols.  Julian is a film producer who arrived in Tree Hill to create a film adaption of Lucas Scott's novel, who was unaware of Julian's history with Peyton Sawyer.  Although many believed he posed a threat to Lucas and Peyton's relationship, he eventually revealed an interest in Peyton's best friend, Brooke Davis.  When the movie fell through, he left for Los Angeles, but Brooke accepted her feelings for him and followed after him to Los Angeles.  Deciding to let him into her life, the two reunited.  The two then embarked on a long-distance relationship while he made a new movie, but they eventually reunited in Tree Hill, and got engaged.  The couple was later married, and have twin sons, Davis and Jude Baker.

Randle McMurphy: Randle Patrick "Mac" McMurphy known as R.P. McMurphy, is the protagonist of Ken Kesey's novel "One Flew Over the Cuckoo's Nest" (1962).  He appears in the stage and film adaptations of the novel as well.  Jack Nicholson portrayed Randle Patrick McMurphy in the film adaption, earning him an Academy Award for Best Actor.  He was nominated on the "Heroes" list of AFI's 100 Years... 100 Heroes and Villains, but did not make the final list.  He was ranked by film magazine Empire as the 61st Greatest Movie Character of All Time.

Christian Erickson: Christian Erickson is an American actor and voice actor currently living in Paris, France.  He is known for his role as General Kormarov in the film adaption of "Hitman" and as Lance Boyle, the TV presenter in the MegaRace video games series.

Paul Stewart (actor): Paul Stewart (born Paul Sternberg; March 13, 1908 – February 17, 1986) was an American character actor, director and producer who worked in theatre, radio, films and television.  He frequently portrayed cynical and sinister characters throughout his lengthy career.  A friend and associate of Orson Welles for many years, he helped Welles get his first job in radio and was associate producer of the celebrated radio program "The War of the Worlds", in which he also performed.  One of the Mercury Theatre players who made their film debut in Welles's landmark film "Citizen Kane", Stewart portrayed Kane's butler and valet, Raymond.  He appeared in 50 films, and performed in or directed some 5,000 radio and television shows.

Sharen Davis: Sharen Davis (born February 22, 1957) is an American costume designer.  She has been nominated for two Academy Award for "Ray" and "Dreamgirls".  She is a frequent collaborator with actor Denzel Washington, having worked with him five times; most recently on the film adaption of "Fences".

René Féret: René Féret (26 May 1945 – 28 April 2015) was a French actor, screenwriter, film director and producer.  His film "Solemn Communion", was entered into the 1977 Cannes Film Festival.  In "The Man Who Wasn't There" ("L'Homme qui n'était pas là"), his 1987 film adaption of Roderick MacLeish's novel, he played alongside Claude Jade in the leading role of Charles Elaine.

John Amplas: John Amplas (born June 23, 1949 in Pittsburgh, Pennsylvania) is an American actor known primarily for his work with director George A. Romero.  His first work with Romero was the cult film "Martin" (1978), in which he played the title role.  Thereafter, he has appeared in a number of other films directed by Romero, including "Dawn of the Dead" (1978), "Knightriders" (1981), "Creepshow" (1982), and "Day of the Dead" (1985), as well as "Toxic Zombies" (1980), a former video nasty, and "Midnight" (1982), directed by John Russo.  He has recently acted in a horror concept teaser entitled "The Three" (2011) directed by filmmaker Scott Goldberg which also features co-lead from "Day of the Dead" Lori Cardille.  He starred also in the feature film adaption of the Rob Steigert short film "Ombis".

The Exorcist (novel): The Exorcist is a 1971 novel by American writer William Peter Blatty.  The book details the demonic possession of twelve-year-old Regan MacNeil, the daughter of a famous actress, and the two priests who attempt to exorcise the demon.  Published by Harper & Row, the novel was the basis of a highly successful film adaption released two years later, whose screenplay was also written by Blatty, and part of "The Exorcist" franchise.

Supporting paragraphs: Randle McMurphy Jack Nicholson
Answer: 60