Jack Nicholson

Randle Patrick McMurphy

Acting

Brad Dourif

Billy Bibbit

Acting

Louise Fletcher

Nurse Mildred Ratched

Acting

Danny DeVito

Martini

Acting

William Redfield

Dale Harding

Acting

Scatman Crothers

Orderly Turkle

Acting

Christopher Lloyd

Max Taber

Acting

Will Sampson

Chief Bromden

Acting

Dean R. Brooks

Dr. John Spivey

Acting

Michael Berryman

Ellis

Acting

Sydney Lassick

Charlie Cheswick

Acting

William Duell

Jim Sefelt

Acting

Vincent Schiavelli

Bruce Fredrickson

Acting

Peter Brocco

Col. Matterson

Acting

Alonzo Brown

Miller

Acting

Mwako Cumbuka

Warren

Acting

Josip Elic

Bancini

Acting

Ken Kenny

Beans Garfield

Acting

Nathan George

Washington

Acting

Ted Markland

Hap Arlich

Acting

Louisa Moritz

Rose

Acting

Mews Small

Candy

Acting

Delos V. Smith Jr.

Scanlon

Acting

Lan Fendors

Nurse Itsu

Acting

Mimi Sarkisian

Nurse Pilbow

Acting

Mel Lambert

Harbor Master

Acting

Kay Lee

Night Supervisor

Acting

Dwight Marfield

Ellsworth

Acting

Tin Welch

Ruckley

Acting

Philip Roth

Woolsey

Acting

Aurore Clément

Lady on Pier (uncredited)

Acting

Anjelica Huston

Woman in Crowd on Pier (uncredited)

Acting

Audrey Landers

Actress on TV Screen (uncredited)

Acting

Saul Zaentz

Captain on Shore (uncredited)

Production

Prasanna K. Pati

Dr. Songee

Acting