‘The director, Franc Roddam, had read an early draft of Babylon and was about six weeks away from shooting Quad when he felt the script needed a bit more flesh on the bones. He called me and asked me if I would be interested in writing a brand new draft. I said “Are you kidding – a film about Mods and Rockers with music by The Who, when can I start?” It was my first proper break in the film industry’