Cate Blanchett as Lady Gertrude Chiltern; Minnie Driver as Miss Mabel Chiltern; Rupert Everett as Lord Arthur Goring; Julianne Moore as Mrs. Laura Cheveley; Jeremy Northam as Sir Robert Chiltern; Lindsay Duncan as Lady Markby; Peter Vaughan as Phipps; John Wood as Lord Caversham; Ben Pullen as Tommy Trafford; Marsha Fitzalan as Countess
Sir Robert Chiltern is a successful Government minister, well-off and with a loving wife. All this is threatened when Mrs Cheveley appears in London with damning evidence of a past misdeed. Sir Robert turns for help to his friend Lord Goring, an apparently idle philanderer and the despair of his father. Goring knows the lady of old, and, for him, takes the whole thing pretty seriously.