Jeremy Brett ... Vicount Goring
Keith Michell ... Sir Robert Chiltern
Susan Hampshire ... Mabel Chiltern
Margaret Leighton ... Mrs. Cheveley
Dinah Sheridan ... Lady Chiltern
Charles Carson ... The Earl of Caversham
Zena Dare ... Lady Markby
Michel Faure... Vicomte de Nanjac
Raymond Graham ... Mason, butler to Sir Robert
Erik Chitty ... Phipps, Lord Goring's servant
Magda Miller... Countess of Basildon
Penelope Lee ... Mrs. Marchmont