Anton Karas members of the British Royal family. Princess Margaret invited him to London's fashionable "Empress Club", where he played twice a week during his stay at London. He also appeared before Queen Juliana of the Netherlands, members of the Swedish royal family, and Pope Pius XII. By the end of 1949, half a million copies of "The Harry Lime Theme" had been sold, an unprecedented number for the time. The success of the score also caused a surge in zither sales. In Austria, the film opened on 10 March 1950, in Vienna's Apollo Kino, and it initially offended some Viennese inhabitants,
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