- Writer:
- Reg Gadney
- Music composed by:
- Carl Davis
- Unknown:
- Outside Broadcast Lighting Hu Cartwright
- Outside Broadcast Sound:
- Ian Leiper
- Designer:
- Barrie Dobbins
- Designer:
- Barry Newbery
- Producer:
- Colin Tucker
- Director:
- Michael Simpson
- King George III:
- Nigel Davenport
- Frederick, Duke of York:
- Bosco Hogan
- Prince Regent:
- Peter Egan
- Queen Charlotte:
- Frances White
- Elizabeth, Lady Conyngham:
- Jo Kendall
- Isabella, Lady Hertford:
- Barbara Shelley
- Lord Liverpool:
- Andre van Gyseghem
- Lord Eldon:
- James Garbutt
- Princess Caroline:
- Dinah Stabb
- Henry Brougham:
- Daniel Moynihan
- Pietro Cuchi:
- John Grillo
- Lady Anne Hamilton:
- Charmian May
- Alderman Wood:
- Alan Foss
- Thomas Denman:
- Trevor Martin
- Sir Robert Gifford:
- James Cossins
- Teodoro Majocchi:
- John Hug
- Lord Longford:
- Arnold Peters
- Sir William Gell:
- John Quarmby
- Lt Howman, RN:
- Peter Robert Scott
- Russian Ambassador:
- Gabor Vernon
- Little lad footman:
- Steve Fletcher
- French servant:
- Rodney Cardiff
