While it’s not considered a masterpiece, the presence of horror icons Christopher Lee and Klaus Kinski elevates the production. Lee, in particular, is praised for his "grim and imposing" performance despite being masked for most of the film.
Unlike many of the television-style Edgar Wallace adaptations of the era, this film was shot in color, which helps capture the "twistedness" and surreal nature of the circus setting. Community Perspectives Il Lungo Coltello Di Londra 1966
Some viewers find the pacing a bit slow once the action moves from the heist to the circus investigation. While the mystery offers several red herrings, modern reviewers often find the twists somewhat predictable. While it’s not considered a masterpiece, the presence