- Writer:
- Nigel Balchin
- Producer:
- Douglas Allen
- James Rice, the Prime Minister and Leader of the House:
- Brian Reece
- Janet Parkes, his Personal Secretary:
- Pamela Alan
- Philip Simmons, an information officer:
- Michael Brill
- Carol Lindsay, an actress:
- Anne Crawford
- Freda Rice, the Prime Minister's sister:
- Mary Hinton
- Marshall, butler at No. 10 Downing Street:
- John Vere
- William Boumphrey, Secretary of State for Foreign Affairs:
- Willoughby Goddard
- Lewis Appleby Chancellor of the Exchequer:
- Noel Howlett
- Sir Charles Proot, First Lord of the Admiralty:
- Hugh Dempster
- The Minister of Agriculture and Fisheries:
- Kenneth Edwards
- The Minister of Mines:
- Jonathan Field
- Mr. Downes-Champney, Lord President of the Council:
- Ralph Truman
- Mr. Jones-Fullerton, Party Chairman:
- George Skillan
- Count Rudolph Walem, Bulgarian Ambassador:
- Ferdy Mayne
- Lord Pyne a newspaper magnate:
- Gordon Bell
- Chauffeur to Lord Pyne:
- Walter Horsbrugh
- Reporter:
- Kim Grant
- Others taking part:
- Ann Cherry
- Others taking part:
- Meriel Hunn
- Others taking part:
- Violet Parry
- Others taking part:
- Soraya Rafat
- Others taking part:
- Peter Doughty
- Others taking part:
- John Dunbar
- Others taking part:
- Jan Kemp
- Others taking part:
- Donald McCollum
- Others taking part:
- Brian Moorehead
- Others taking part:
- John Drake
- Others taking part:
- Frank Pendlebury
- Others taking part:
- John Scott
