Jack Nicholson character Randle Patrick McMurphy
Louise Fletcher character Nurse Mildred Ratched
Danny DeVito character Martini
William Redfield character Dale Harding
Scatman Crothers character Orderly Turkle
Brad Dourif character Billy Bibbit
Christopher Lloyd character Max Taber
Will Sampson character Chief Bromden
Dean R. Brooks character Dr. John Spivey
Michael Berryman character Ellis
Sydney Lassick character Charlie Cheswick
William Duell character Jim Sefelt
Vincent Schiavelli character Bruce Fredrickson
Peter Brocco character Col. Matterson
Alonzo Brown character Miller
Mwako Cumbuka character Warren
Josip Elic character Bancini
Ken Kenny character Beans Garfield
Nathan George character Washington
Ted Markland character Hap Arlich
Louisa Moritz character Rose
Mews Small character Candy
Delos V. Smith Jr. character Scanlon
Lan Fendors character Nurse Itsu
Mimi Sarkisian character Nurse Pilbow
Mel Lambert character Harbor Master
Kay Lee character Night Supervisor
Dwight Marfield character Ellsworth
Tin Welch character Ruckley
Aurore Clément character Lady on Pier (uncredited)
Anjelica Huston character Woman in Crowd on Pier (uncredited)
Audrey Landers character Actress on TV Screen (uncredited)
Saul Zaentz character Captain on Shore (uncredited)
Philip Roth character Woolsey (as Phil Roth)
