- Unknown:
- Baroness Orczy
- Adapted By:
- Lester Powell
- Conducted By:
- Alan Paul
- Produced By:
- Archie Campbell
- Sir Percy Blakeney, Bt:
- Marius Goring
- Lady Blakeney (formerly Marguerite St Just):
- Catherine Salkeld
- Chauvelin:
- Geoffrey Wincott
- Friends of- Sir Percy: Sir Andrew Ffoulkes:
- Andrew Faulds
- Lord Antony Dewhurst:
- Michael Anthony
- Comtesse de Tourney, a refugee from France:
- Selma Vazdias
- Armand St Just (Lady Blakeney's brother):
- Peter Carrforster
- Desgas (Chauvelin's confidential secretary):
- Bill Staughton
- Jellyband, host of ' The Fisherman's Rest:
- Ernest Sefton
- Republican Guards: Sergeant Bibot:
- Richard Williams
- Sergeant Grospierre:
- Bryan Powley
- Captain of the Guard:
- Richard Williams
- An old Frenchwoman:
- Dorothy Summers
- A farmer:
- Stanley Groome
- Storyteller:
- Alec Ross
