- Author:
- Maurice Edelman
- Producer:
- Peter Dews
- Designer:
- Margaret Peacock
- The Court - Admiral Smith (President):
- Malcolm Keen
- The Court - Admiral Broderick:
- Edward Chapman
- The Court - Admiral Norris:
- George Skillan
- The Court - Admiral Holbourne:
- Chris Gittins
- The Court - Admiral Broughton:
- Harry Stubbs
- The Court - Usher:
- Leon Eagles
- The Court - Marshal:
- Geoffrey Lewis
- The Accused - Admiral The Hon John Byng:
- Donald Wolfit
- The Witnesses - Admiral Temple West:
- John Sharp
- The Witnesses - Gunner Lee:
- Ivor Salter
- The Witnesses - Lord Robert Bertie:
- George Curzon
- The Witnesses - Midshipman Tatwell:
- Colin Broadley
- The Witnesses - Lieutenant Bishop:
- William Peacock
- The Witnesses - Lord Blakeney:
- Harry Hutchinson
- The Witnesses - Captain Faulkner:
- Geoffrey Taylor
- The Interested Parties - Sarah Osborn, Byng's sister:
- Helen Lindsay
- The Interested Parties - William Pitt:
- Noel Johnson
- The Interested Parties - The Duke of Newcastle:
- Elwyn Brook-Jones
- The Interested Parties - Radford:
- Geoffrey Bayldon
- The Interested Parties - Viscount Torrington:
- Ronald Hines
- The Interested Parties - Lawrence, Byng's secretary:
- Hugh Dickson
- The Interested Parties - Admiralty Commissioner:
- Owen Berry
- The Interested Parties - King George II:
- Otto Diamant
