- From a novel by:
- Mark Tavener
- Adapted by:
- Malcolm Bradbury
- Director:
- Marcus Mortimer
- Producer:
- Sarah Smith
- George Cragge:
- Warren Clarke
- Controller, Radio 2:
- Stephen Fry
- Geoffrey Crichton Potter:
- Richard Griffiths
- Dominic De'Ath:
- Rik Mayall
- Lord Tone:
- Richard Wilson
- Controller, Radio 4:
- John Bird
- DCI Frank Jefferson:
- Alun Armstrong
- Ms Sin:
- Siobhan Redmond
- Hercules Fortescue:
- John Sessions
- Henry Potts:
- Simon Godley
- Andrew James:
- Patrick O'Kane
- DS Marten:
- Victoria Carling
- Beth Parsons:
- Rebecca Front
- Max Parker:
- David Ryall
- Jemma White:
- Sally Phillips
- James Addison:
- Albert Welling
- Bamber Simpson:
- James McCarthy
- Murderer's voice:
- Alistair McGowan
- Jeremy Inchcape:
- Robert Austin
- Paul (party worker):
- Lee Ingleby
- Madame Speaker:
- Anne Harries
- Home Secretary:
- Arthur Kelly
- Peter Anderson MP:
- Tony Simon
- Laetitia Tone:
- Rachel Fielding
- Clarence Twist:
- Geoff McGivern
- Harold Twist:
- Hugh Simon
- Oswald Twist:
- James Saxon
