- Unknown:
- Malcolm Bradbury
- Producer:
- Evgeny Gridneff
- Director:
- Roger Bamford
- Sir Giles:
- George Cole
- Lady Maud:
- Geraldine James
- Blott:
- David Suchet
- Dundridge:
- Simon Cadeu
- Mrs Forthby:
- Julia McKenzie
- Ganglion:
- Geoffrey Bayldon
- Minister:
- Geoffrey Chater
- Hoskins:
- Paul Brooke
- Lord Leakham:
- John Welsh
- Bessie:
- Sarah Porter
- Densher:
- Jeremy Clyde
- Gen Burnett:
- Nicholas Selby
- Mr Bullett-Finch:
- Patrick Godfrey
- Mrs Bullett-Finch:
- Georgine Anderson
- First Miss Percival:
- Matyelok Gibbs
- Second Miss Percival:
- Sylvia Barter
- Col Chapman:
- John Rapley
- Sir Francis Puckerington:
- Esmond Knight
- TV reporter:
- Jolyon McDowell
- Freda:
- Susan Porrett
- Receptionist:
- C P Grogan
- Nurse:
- Eve Shickle
- Waiter at club:
- John Junkin
- Policeman:
- Danny Davies
