- Author/Adapted by:
- Hilda Lewis
- Producer:
- Dorothea Brooking
- Designer:
- Eileen Diss
- Isabella, grown up:
- Glen Alyn
- Madame de Coucy:
- Margaret Gordon
- Henry Bolingbroke, Duke of Hereford:
- Michael Bird
- Jehanne:
- Barbara Denney
- Gilles Cobham:
- Patrick Horgan
- Isabella, as a girl:
- Victoria Nolan
- First Courtier:
- Peter Burton
- Second Courtier:
- David Waller
- Thomas Mowbray, Duke of Norfolk:
- Desmond Llewellyn
- King Richard II:
- Dennis Edwards
- Queen Isobelle:
- Christine Edmonds
- Constable of England:
- Peter Grisewood
- Herald:
- Joseph Wise
- Herald:
- John Baker
- Other parts played by:
- Godfrey Bond
- Other parts played by:
- Philip Clive
- Other parts played by:
- Donald Hodson
- Other parts played by:
- Robert Irvine
- Other parts played by:
- John Marshall
- Other parts played by:
- Joan Mason
- Other parts played by:
- James Raglan
- Other parts played by:
- Virginia Shipton
