- Writer:
- Graham Rawson
- Settings:
- James Bould
- Producer:
- Fred O'Donovan
- Frederick the Great:
- Henry Oscar
- Prince August:
- Alan Judd
- Princess Ulrica:
- Sally Rogers
- Princess Amelia:
- Mary Jones
- Baroness Blaspiel:
- Netta Westcott
- Franzisca von Bredow:
- Flora Britten
- Marie von Forster:
- Irmgard Spoliansky
- Baron de Rudenschold:
- Milton Rosmer
- Baron von der Trenck:
- Graeme Muir
- An Officer of the King's Bodyguard:
- Noel Dainton
- Comet Eugen von Horst:
- Brian Oulton
- Count Otto Stumm:
- Anthony Drake
- Eichel:
- Richard Shayne
- Count von Podewils:
- Oliver Johnston
- Field-Marshal Schwerin:
- James Raglan
- Chamberlain at Mont Bijou:
- Sidney Monckton
- Soldiers:
- Alan Dalton
- Soldiers:
- John Russell Thompson
- Soldiers:
- John Cronin
- Servants:
- James Gilbert
- Servants:
- Geoffrey Barfoot
- Servants:
- George Kay
