- Author:
- Maurice Edelman
- Adapted by:
- Anthony Steven
- Designer:
- Roy Oxley
- Producer:
- John Jacobs
- Hendryk Curtis:
- Peter Swanwick
- P.C. Eves:
- Tony Quinn
- Tony Spencer:
- Stanley Baker
- Jane Erskine:
- Joy Parker
- Donald Laird:
- John Falconer
- Sir Christopher Dangerfield, M.P.:
- Kynaston Reeves
- Helen Vaughan:
- Helen Cherry
- The Prime Minister:
- Donald Wolfit
- The Rt. Hon. Michael Erskine, M.P.:
- Michael Denison
- First correspondent:
- Manning Wilson
- Attorney-General:
- Leonard Sachs
- Andrew Jeffreys, Q.C.:
- Ernest Clark
- Manningham:
- Bryan Coleman
- Second correspondent:
- Arthur Lawrence
- Colonel Carter-Budd, M.P.:
- John Brooking
- Randolph McQueen, M.P.:
- Duncan McIntyre
- John Vaughan:
- David Markham
- The Rt. Hon. George Morgan M.P.:
- Clifford Evans
- Ernest Smedley, M.P.:
- Kevin Stoney
- Sir Henry Wigmore, M.P.:
- Ian Colin
- Clerk of the Committee:
- Reginald Atkinson
- Scott-Palmer:
- Raf de la Torre
- Lady Applebourne:
- Mary Barclay
- Other parts played by:
- Sally Lahee
- Other parts played by:
- Larry Channon
- Other parts played by:
- Arthur Dallas
- Other parts played by:
- John Dunbar
- Other parts played by:
- Lee Fox
- Other parts played by:
- Peter Franklin
- Other parts played by:
- Stanley Platts
- Other parts played by:
- Lewis Wilson
