All Night Long is a 1962 British drama film directed by Basil Dearden, and starring Patrick McGoohan, Marti Stevens, Paul Harris, Keith Michell, Richard Attenborough and Betsy Blair. The story, written by Nel King and Paul Jarrico, writing under the name Peter Achilles, is an updated version of Shakespeares Othello, set in the London jazz scene of the 1960s. The blackandwhite film features performances by several prominent British and American jazz musicians.
An ambitious drummer, Johnnie Cousin, wants to start his own band. He promises to persuade Delia to come out of retirement and resume performing, having been told that this is the only way his band will be backed.Told in no uncertain terms that Delia has no intention of resuming her career, Johnnie begins a series of machinations at the party designed to make Rex believe that Delia has been having an affair with Cass, the bands manager. He even alters a tape recording to distort the meaning of Delias private conversation. ........
Source: Wikipedia