While serving time for insanity at a state mental hospital, implacable rabble-rouser, Randle Patrick McMurphy, inspires his fellow patients to rebel against the authoritarian rule of head nurse, Mildred Ratched.

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

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• Casting: Jane Feinberg
• Casting: Mike Fenton
• Assistant Editor: Arthur Coburn
• Producer: Saul Zaentz
• Producer: Michael Douglas
• Editor: Lynzee Klingman
• Director: Miloš Forman
• Screenplay: Bo Goldman
• Director of Photography: Haskell Wexler
• Novel: Ken Kesey
• Screenplay: Lawrence Hauben
• Original Music Composer: Jack Nitzsche
• Editor: Sheldon Kahn
• Sound Editor: Pat Jackson
• Stunts: Alan Gibbs
• Supervising Film Editor: Richard Chew
• Costume Design: Aggie Guerard Rodgers
• Sound Recordist: Larry Jost
• Assistant Director: Irby Smith
• Production Design: Paul Sylbert
• Title Graphics: Wayne Fitzgerald
• Unit Production Manager: Joel Douglas
• Assistant Editor: Bonnie Koehler
• Executive In Charge Of Production: Joel Chernoff
• Associate Producer: Martin Fink
• Theatre Play: Dale Wasserman
• Post Production Supervisor: Irving Saraf
• Assistant Editor: Jay Miracle
• Makeup Artist: Fred B. Phillips
• Props: Terry E. Lewis
• Camera Operator: Dick Colean
• Camera Operator: Robert C. Thomas
• Construction Coordinator: Joe Acord
• Art Direction: Edwin O’Donovan
• Script Supervisor: Natalie Drache
• Grip: George Hill
• Painter: Tom Bartholomew
• Sound: Philip Rogers
• Music Editor: Ted Whitfield
• Transportation Captain: Tom F. Thomas
• Electrician: Kyle T. MacDowell

Credits: TheMovieDb.