- Unknown:
- Hilda Tablet
- Unknown:
- Donald Swann
- Unknown:
- Max Saunders
- Unknown:
- Henry Reed
- Unknown:
- Patrick Savill
- Hilda Tablet, a composeress:
- Mary O'Farrell
- Herbert Reeve, a scholarscholar:
- Hugh Burden
- Harold Reith, a librettist:
- Frank Duncan
- Elsa Strauss, a singer:
- Marjorie Westbury
- Gabriel Hall-Pollock, a critic:
- Deryck Guyler
- Male commentator:
- Michael Flanders
- Female commentator:
- Betty Hardy
- The Duke and Duchess of Mulset:
- Frank Duncan
- The Duke and Duchess of Mulset:
- Céclle Chevreau
- An official of the Opera House:
- Leonard Sachs
- Poets and composers..:
- David March
- Poets and composers..:
- Hugh Manning
- Poets and composers..:
- Harold Reese
- Poets and composers..:
- Jeffrey Segal
- Emily Butter:
- Marjorie Westbury
- Clara Taggart:
- Anna Pollak
- Helen Sparge:
- Marion Studholme
- Elizabeth Thwaite:
- Rose Hill
- Catherine Slot:
- Scott Joynt
- Mrs Wetherall:
- Sylvia Beamish
- Marilyn:
- Glenice Halliday
