Patrick McGoohan John Drake Actor Moira Redmond Nicola Tarasova Actor Errol John Dessiles Actor Earl Cameron Darcy Actor Clifton Jones Lieut. Labaste Actor Paul Danquah James Owen Actor Christopher Carlos Victor N'Dias Actor Pearl Prescod Madame Celeste Actor Robert Dean David Elliot Actor Edward Brayshaw Vernon Brooks Actor Margaret Nolan Mrs. Elliot Actor Boscoe Holder Nero Actor Janet Hargreaves Eirlys Brooks Actor Louis Mahoney Guard Actor Joseph Layode Archivist Actor Ralph Smart Writer, Producer Malcolm Hulke Writer Don Chaffey Director