Which is why when seven men come together in a suburban house to talk about their problems in an organised weekly meeting, the atmosphere is thick enough to cut like a knife, all stilted blokey swagger, anger and machismo.

Harry Potter films aren’t much better written than most mainstream studio product, and apart from the cream of England’s dramatic talent in the background, the acting’s only as good as Hayden Christensen’s splutter-worthy dummy spits.

The window dressing is dated now, but look beyond it; Wilder’s story of an insurance salesman agreeing to murder the cruel husband of a beautiful client is the progenitor of everything from Chinatown to The Last Seduction.