Though director Guy Hamilton has tried to make the Christie formula more cinematic by trimming the number of characters and streamlining the plot, the picture is still rather uninteresting. Only the performances, the lovely location, and some Cole Porter tunes make it worth watching.
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What are critics saying?
Director Guy Hamilton's movie is rather more effective as an advertisement for Majorca than as a thriller, and the idea of Ustinov as Poirot remains more enticing than the reality, but you could do a lot worse. Think of it as a languid cocktail party with a terrific guest list. [22 Mar 1982, p.85]
Chicago Sun-Times by Roger Ebert
Evil Under The Sun is not, alas, as good as Beat the Devil, but it is the best of the recent group of Christie retreads.
The New York Times by Vincent Canby
Evil Under the Sun, the latest Agatha Christie whodunit to be given the all-star screen treatment, has nothing but style, but its style goes a long way.