- Unknown:
- Sir Thomas Malory
- Unknown:
- Norman Shelley
- Unknown:
- Robert Eddison
- Unknown:
- Robert Hardy.
- Unknown:
- Henry Stamper
- Unknown:
- Derek Brewer
- Music By:
- Stephen Dodgson
- Produced By:
- Raymond Raikes
- Sir Thomas Malory:
- Norman Shelley
- Sir Bors de Ganis, nephew to Sir Launcelot:
- Peter Tuddenham
- Sir Lionel, nephew to Sir Launcelot:
- David Davis
- Sir Launcelot du Lake:
- Robert Hardy
- Sir Lucan de Butler:
- Douglas Blackwell
- A Damosel:
- Penelope Lee
- Sir Gawain, nephew of King Arthur:
- Henry Stamper
- King Arthur:
- Robert Eddison
- Bishop of Canterbury:
- David Davis
- Sir Mordred, half-brother to Sir Gawain, and Bastard-son of King Arthur:
- Basil Langton
