The Monthly Film Bulletin wrote: "A routine thriller which fails to thrill in spite of having more than its quota of brutal fights. Fairly lavish sets and competent camera work are wasted on a fatuous plot, and the playing does little to heighten conviction." The
Radio Times wrote, "The much maligned
Butcher's Film Service holds an unenviable place in the history of British cinema. By sponsoring dozens of low-budget programmers, it enabled young talent on both sides of the camera to gain an industry foothold. Yet it mostly churned out dismal offerings such as this tale of kidnap and rare book smuggling, which is given only the merest modicum of respectability by the presence of Hugh McDermott and Honor Blackman." In
British Sound Films: The Studio Years 1928–1959 David Quinlan rated the film as "mediocre", writing: "Thriller is vigorous, but you never quite forget how silly the plot is."
TV Guide noted, "the execution is top notch, but the witlessness of the story rankles." ==References==