- Unknown:
- Jacinto Benavente
- Unknown:
- John Garrett Underhill
- Broadcasting By:
- Derek Patmore
- Unknown:
- Helena Wood
- Production By:
- Archie Campbell
- Unknown:
- Aubrey Richards
- Unknown:
- Frank Coburn
- The Lector:
- Derek Hart
- Imperia, a courtesan:
- Mary Ellis
- Leonardo, a sculptor:
- Leon Quartermaine
- Countess Rinaldi, his confidante:
- Joan Sanderson
- Princess Etelvina:
- Dorothy Black
- Prince Florencio, her son:
- John Fabian
- Harry Lucenti:
- Kenneth Hyde
- Prince Michael Alexander, uncle to Florencio:
- Donald Gray
- Donina:
- Sulwen Morgan
- Rosina:
- Sarah Leigh
- Pepita:
- Audrey Mendes
- Nunu:
- Robert Rietty
- Tommy:
- James Beattie
- The Signore:
- Aubrey Dexter
- Mr Jacob, proprietor of a music-hall and circus:
- Leonard Sachs
- Majesta an old woman:
- Lola Duncan
- Ruhu Sahib:
- Malcolm Hayes
