Before big-beat pop and blues rock became the rage in London in 1963, jazz was still hip music for young adults. In 1961, All Night Long was filmed in London and released the following year. The jazz-themed neo-noir drama directed by Basil Dearden starred a range of British and American actors: Patrick McGoohan (Danger Man, The Prisoner), Marti Stevens, Paul Harris, Keith Michell, Richard Attenborough and Betsy Blair….