Edmond O'Brien

Winston Smith of the Outer Party

Jan Sterling

Julia of the Outer Party

Michael Redgrave

O'Connor of the Inner Party

David Kossoff

Charrington the Junk Shop Owner

Mervyn Johns

Jones

Donald Pleasence

R. Parsons

Ernest Clark

Outer Party Announcer

Patrick Allen

Inner Party Official

Ronan O'Casey

Rutherford

Bartlett Mullins

Syme

Michael Ripper

Outer Party Orator

Ewen Solon

Outer Party Orator

Kenneth Griffith

Prisoner

Walter Gotell

Guard (uncredited)

Patrick Troughton

Man on Telescreen (uncredited)

John Vernon

Big Brother (uncredited)

Barbara Keogh

Special Woman (uncredited)