- Frederick Valk - Dr. Viega
- Charles Goldner - Polish Man Servant
- Russell Waters - Cartwright
- James Hayter - Carrell Quire
- Ada Reeve - Mrs. Griggs
- Frances Waring - Nursie
- Judith Furse - Laura Postern
- Frederick Leister - The Director General
- Elwyn Brook-Jones - Benny Erivangian
- Eric Berry - Tailor's Assistant (uncredited)
- Janet Burnell - Mr. Prohack's Personal Assistant (uncredited)
- Ian Carmichael - Hat Salesman (uncredited)
- Anne Gunning - Actress (uncredited)
- Humphrey Heathcote - Turkish Bath Attendant (uncredited)
- Lloyd Pearson - Mr. Bishop (uncredited)
- Stanelli - Orchestra Leader (uncredited)
- Jerry Verno - Taxi Driver (uncredited)
-
Thornton Freeland
- Arnold Bennett
-
Ian Dalrymple
- Stanley Lambourne
- George Paternoster
- Temple Abady
Capítulo disponible en las siguientes plataformas:
