Viscount Goring （his son） Mr Charles H. Hawtrey
Sir Robert Chiltern， Bt. （Under- Secretary for Foreign Affairs） Mr Lewis Waller
Vicomte de Nanjac （Attaché at the French Embassy in London） Mr Cosmo Stuart
Mr Montford Mr Henry Stanford
Mason （Butler to Sir Robert Chiltern） Mr H. Deane
Phipps （Lord Goring's servant） Mr C. H. Brookfield
James （Footman at Lord Goring's） Mr Charles Meyrick
Harold （Footman at Sir Robert Chiltern's） Mr Goodhart
Lady Chiltern Miss Julia Neilson
Lady Markby Miss Fanny Brough
The Countess of Basildon Miss Vane Featherston
Mrs Marchmont Miss Helen Forsyth
Miss Mabel Chiltern （Sir Robert's sister） Miss Maude Millett
Mrs Cheveley Miss Florence West