Anton Karas asked a stunned Karas if he would compose the music for the film. Karas protested, saying he had never actually written music. As Karas later told the story, the director insisted and invited Karas to England. The Austrian became homesick and asked to be allowed to return. Reed told him he could—as soon as he had written the music. Under this pressure Karas wrote his Harry Lime theme. The film—with the music a contributing factor—was a gigantic success, and Karas' life was changed drastically. As a result, he toured all over the world and performed for many celebrities, among them
Things to Come was commissioned to produce some of the effects sequences for the re-building of Everytown. Moholy-Nagy's approach was partly to treat it as an abstract light show, but only some 90 seconds of material was used, e.g. a protective-suited figure behind corrugated glass. In the autumn of 1975 a researcher found a further four sequences which had been discarded. The art design in the film is by Vincent Korda, brother of the producer. The futuristic city of Everytown in the film is based on London: a facsimile of St Paul's Cathedral can be seen in the background. "Things to Come" was