A Mad World My Masters, Swan Theatre, Stratford-upon-Avon, review The action has been updated to Soho in the Fifties, and while One Man Two Guvnors had a skiffle band, the music here is jazz and rhythm and blues, with a cracking singer belting out such numbers as Let The Good times Roll and Hallelujah I Love her So, as well as a deliciously lubricious ditty in which she yearns for her "daddy with the big long slidin" thing." She's actually referring to his trombone but you would never guess. In Foley's production, Middleton's text has been cut by a fifth, and many new gags inserted, but the play remains true to the often filthy spirit of the original. The double entendres and the unbuttoned sexual antics just keep on, ahem, coming, gleefully proving that a dirty mind is a joy forever. There are two strands to the complex plot. In one Dick Follywit, a dashing young buck about town, attempts to get his greedy hands on his great uncle's fortune - at one stage disguising himself as a call-girl to do so, for Sir Bounteous Peersucker is a gamesome old goat with a predilection for spanking. Meanwhile the nerdy Mr Littledick is paranoid about his wife's fidelity but despite his ingenious endeavours to keep her chaste he is cuckolded by Master Penitent Brothel who is then overcome by guilt and haunted by a succubus. This is rollicking and far from subtle fare but it is performed with such gleeful panache that there are many moments when one finds oneself physically shaking with laughter. The cast are clearly having a ball, like naughty children bunking off school, for many of them are also appearing in the punishingly grim Titus Andronicus. Richard Durden is in blissful comic form as Sir Bounteous's ancient, bumbling butler, Spunky, his every entrance and exit accompanied by loud whistles from his hearing aid. It will also be some time before I forget the sight of Ian Redford's fat, crimson-faced Peersucker, stripped to his string vest and pants as he prepares for a spot of flagellation, while Richard Goulding has exactly the right mixture of charm and ruthless guile as the nephew determined to fleece him. Sarah Ridgeway is winningly witty and enticing as the prostitute, Truly Kidman, and there are ripely comic performances from Ellie Beaven as the adulterous Mrs Littledick and John Hopkins as her lover, so tormented by guilt that he puts his hand in a sizzling frying pan. There are moments when the comic energy dips in the second half, but for the most part this proves a disgracefully entertaining evening. Until Oct 25. Tickets: 0844 800 1110; rsc.org.uk