Malcolm McDowell
Alex
Patrick Magee
Mr. Alexander
Carl Duering
Dr. Brodsky
Michael Bates
Chief Guard
Warren Clarke
Dim
James Marcus
Georgie
Michael Tarn
Pete
Miriam Karlin
Catlady
Adrienne Corri
Mrs. Alexander
Sheila Raynor
Mum
Philip Stone
Dad
Aubrey Morris
Deltoid
Clive Francis
Lodger
John Clive
Stage Actor
Paul Farrell
Tramp
Michael Gover
Prison Governor
Godfrey Quigley
Prison Chaplain
Madge Ryan
Dr. Branom
Anthony Sharp
Minister
Pauline Taylor
Psychiatrist
Margaret Tyzack
Conspirator
Steven Berkoff
Det. Const. Tom
Lindsay Campbell
Police Inspector
David Prowse
Julian
Barrie Cookson
Dr. Alcott
Jan Adair
Handmaiden in Bible Fantasy
Gaye Brown
Sophisto
Peter Burton
Junior Minister
John J. Carney
Detective Sergeant
Alec Wallis
Conspirator D.B. Da Silva
John Savident
Conspirator
Vivienne Chandler
Handmaiden in Bible Fantasy
Richard Connaught
Billyboy
Prudence Drage
Handmaiden in Bible Fantasy
Carol Drinkwater
Nurse Feeley
Lee Fox
Desk Sergeant
Cheryl Grunwald
Victim of Billyboy's Gang
Gillian Hills
Sonietta
Craig Hunter
Doctor
Shirley Jaffe
Nurse
Virginia Wetherell
Stage Actress
Neil Wilson
Prison Check-in Officer
Katya Wyeth
Girl in Ascot Fantasy
Jack Arrow
Mustachioed Ludovico Technician (uncredited)
Shane Shelton
Burbling Boy (uncredited)
Norman Gay
BBC Producer (uncredited)
Katharina Kubrick
Girl Passing Alex in the Record Store (uncredited)
Glenys O'Brien
Brunette Girl (uncredited)