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)