[3] The black-and-white film stars Lee Patterson and Eddie Byrne and co-stars Betty McDowall, John Le Mesurier, and Ewen Solon.
[5] The plot is a "whodunit" with false leads and a denouement in which the least likely character, in this case "Sir David Rogers" played by Ewen Solon, is revealed as the culprit.
Scotland Yard Inspector O'Neill (Byrne) welcomes a visit from his old friend, New York City detective Sam Lowry (Patterson), who agrees to assist with the investigation.
The British version was subject to some BBFC trims, including a moment at the end where the movie switched from black and white to colour as blood materialized on the floor.
In 2019, a collector provided a film element for the European cut, and after scanning it, Severin made a new HD hybrid cut using its nude scenes with the American print (mastered at a consistent 1.66 ratio), and released it on Blu-Ray at a discounted price beginning with its Black Friday sale that year, so previous buyers could effectively replace the previous DVD from the limited edition.
"[9] The Tampa Tribune said it was "an interesting motion picture with a cast of reasonably talented unknowns" and said that it contained "one of the most effective shock devices dreamed up by movie men in some time".