- Colin Jeavons - Tim Stamper
- Miles Anderson - Roger O'Neill
- Angela Rippon - Newsreader
- James Villiers - Charles Collingridge
- John Arnatt - Sir Jasper Grainger
- Sally Faulkner - Junior Health Minister
- Kenny Ireland - Ben Landress
- Damien Thomas - Michael Samuels
- Christopher Owen - McKenzie
- Kenneth Gilbert - Harold Earle
- Raymond Mason - Stoat
- Tommy Boyle - Stephen Kendrick
- Robert Ashby - Presenter
- Frank Williams - Treasurer
- Jeff Nuttall - Biggman
- David Blake Kelly - Charles Goodman
- Colin Dudley - Speaker
- Henrietta Voigts - Secretary
- Tariq Yunus - Jhabwala
- Gertan Klauber - Blackhead
- Nadim Sawalha - Bank Manager
- Michael Tomlinson - Constable
- Alex Leppard - Commissionaire
- John Hartley - Greville Preston
- Peter Gale - Political Secretary
- Geoffrey Bateman - Interviewer
- Hugh Dickson - Dr. Christian
- Richard Braine - Kevin Spence
- Justine Francesca Glenton - P.R. Girl
- Bill Wallis - Prestatyn Powell
- Subash Singh Pall - Waiter
- Ian Collier - Man at Clinic
- John Duval - Young Man at No. 10
- Vivienne Ritchie - Stephanie Woolton
- Eric Allan - Adrian Shepherd
- Jan Winters - McKenzie's Assistant
- Robin Wentworth - Sir Humphrey Newlands
- Kenneth Hadley - Chauffeur
- Michael Dobbs
- Andrew Davies
- Ken Riddington
Ian Richardson hace el papel de Francis Urquhart.
Susannah Harker hace el papel de Mattie Storin.
Malcolm Tierney interpreta a Patrick Woolton en la serie.
Alphonsia Emmanuel hace el papel de Penny Guy.
Diane Fletcher interpreta a Elizabeth Urquhart en la serie.
William Chubb interpreta a John Krajewski en la serie.
Isabelle Amyes interpreta a Anne Collingridge en la serie.
Nicholas Selby interpreta a Lord Billsborough en la serie.
David Lyon interpreta a Henry Collingridge en la serie.
Colin Jeavons interpreta a Tim Stamper en la serie.
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