Peter Cushing
Winston Smith
Yvonne Mitchell
Julia
Donald Pleasence
Syme
Arnold Diamond
Emanuel Goldstein
Campbell Gray
Parsons
André Morell
O'Brien
Hilda Fenemore
Mrs. Parsons
Pamela Grant
Parsons Girl
Keith Davis
Parsons Boy
Janet Barrow
Woman Supervisor
Norman Osborne
First Youth
Tony Lyons
Second Youth
Malcolm Knight
Third Youth
John Baker
First Man
Victor Platt
Second Man
Van Boolen
Barman
Wilfrid Brambell
Old Man / Thin Prisoner
Leonard Sachs
Mr. Charrington
Sydney Bromley
Waiter
Janet Joye
Canteen Woman
Harry Lane
Guard
Richard Williams
Narrator
Nigel Kneale
Telescreen Announcer (voice)
Roy Oxley
Big Brother
Peter Sallis
Minor Role (uncredited)