The Go-Between (1971 film) envisaged Alec Guinness and Margaret Leighton in the leads and employed Nancy Mitford to write a script. L.P. Hartley later claimed Korda had no real intention to make a film of the book - he kept the rights hoping to re-sell them at a profit. Hartley says "I was so annoyed when I heard of this that I put a curse on him and he died, almost the next morning." Joseph Losey was interested in filming the novel. He tried to get financing for a version in 1963 after "The Servant" and says Pinter wrote "two thirds of a script".
The Go-Between carry between them and the well-meaning, innocent boy is easily manipulated by the lovers. Although Marian and Ted are fully aware of the social taboo that must make their relationship a matter of the utmost secrecy, Leo is too naïve to understand why they can never marry. The situation is further complicated by the fact that Marian is about to become engaged to Hugh, Viscount Trimingham, the descendant of the area's nobility who formerly lived in Brandham Hall. As he begins to comprehend that the relationship between Marian and Ted is not to do with "business", as they have claimed,