Barbara Leigh-Hunt, Superb Stage Actress With RSC And Old Vic And On Screen In Hitchcock's Frenzy

Source: Found here

As the Telegraph's critic Charles Spencer commented, the famous scene in which Lady Bracknell interviews Jack Worthing was "carried out with blissful aplomb, and she ingeniously solves the handbag problem. She is so appalled by Jack's improbable history that this most vocal of women is temporarily speechless, and is capable only of mouthing the word, twice. When her voice is restored it is a strangulated squeak of outrage, as if Jack had confessed to a fondness for rough trade."