Forget Sienna Miller covering for Helen McCrory in As You Like It. The stand-in of the year has to be Sabre, the elegant Indian runner duck which replaced Daphne, missing, fowl play feared, on the eve of this frivolous new venture co-starring Sean Foley and Hamish McColl. Sabre, taking to the stage like, well, a duck to water, stole the show with every waddle.