to engage us — to grab our attention from wondering what may be on the news tonight". The film opened at the Radio City Music Hall in New York City on 16 May 1974 and grossed $151,269 in its opening week. References External links 1974 films 1970s psychological thriller films 1970s spy thriller films British psychological thriller films British spy thriller films Films about kidnapping in the United Kingdom Films based on British novels Films based on thriller novels Films directed by Don Siegel Films set in London Films produced by Richard D. Zanuck Films scored by Roy Budd Universal Pictures films The Zanuck Company films 1970s English-language films 1970s British films