1984 (1956 film)
From The Giant: The Definitive Obey Giant Site
From Wikipedia:
1984 is a 1956 movie based on the novel by George Orwell. This is the first theatrical rendition of the story. Donald Pleasence also appeared in the 1954 television version of the film, playing a different part.
Cast
Edmond O'Brien as Winston Smith Jan Sterling as Julia Michael Redgrave as Gen. O'Connor Donald Pleasence as R. Parsons
further information can be found here.
The 1956 film version of 1984, in addition to being a terrific adaptation of Orwell's seminal work, is notable in the Obey world for inspiring Shepard's 1999 print Big Brother Collage and his 2000 print Big Brother 2.