sentences:  The film has retained its popularity; in his review for the BBC, Jamie Russell gave the film four out of five stars, calling it a "craftily sophisticated thriller" and a "cracking piece of entertainment".In his review for "BFI Screenonline", Mark Duguid wrote that the film was "arguably the most accomplished, and certainly the wittiest of Hitchcock's British films, and is up there with the best of his American work".Duguid singled out the young writing partnership of Frank Launder and Sidney Gilliat, noting