- Unknown:
- Henry James
- Pianist:
- Josephine Lee
- Produced By:
- Mary Hope Allen
- Narrator:
- Richard Hurndall
- Paul Muniment:
- Nicholas Parsons
- Hyacinth Robinson:
- Timothy Bateson
- Rose Muniment:
- Patricia Hayes
- Lady Aurora Langrish:
- Hester Paton Brown
- Miss Pynsent:
- Susan Richmond
- Captain Sholto:
- Brewster Mason
- Madame Grandoni:
- Dorothy Holmes-Gore
- The Prince Casamassima:
- Roger Delgado
- The Princess Casamassima:
- Maxine Audley
- Millicent Henning:
- Denise Bryer
- Eustache Poupin:
- Malcolm Hayes
- Schinkel:
- Peter Neil
- Delancey:
- Haydn Jones
