Self - Reporter (7 episodes, 1987-1991)
Self - Former Ministry of Defence Official / Self - Former Asst Secretary, Ministry of Defence / Self - Former Ministry of Defence Civil Servant (4 episodes, 1987-1991)
Self - Permanent Under-Secretary of State for Defence, 1976-1982 (5 episodes, 1987-1991)
Self - Defence Studies, Edinburg University (3 episodes, 1987-1988)
Self - Chief Scientific Adviser, Ministry of Defence, 1977-1983 / Self - Former Chief Scientific Adviser, MoD (2 episodes, 1987-1988)
Self - National Council for Civil Liberties (2 episodes, 1987)
Self / Self - Liberal MP, 1973-1987 (2 episodes, 1991)
Self - Broadcaster & Author: 'Whitehall' / Self - Former Whitehall Correspondent, 'The Times' (2 episodes, 1991)
Self - Labour MP, 1966-1970, 1974-1983 / Self - MP, Lewisham West, 1974-1983 (2 episodes, 1991)
Self - General Secretary, CND, 1979-1985 / Self - Vice Chair, CND (2 episodes, 1991)
Self - Director of Military Operations, US-European Command, 1977-1980 (1 episode, 1987)
Self - Former Military Policeman (1 episode, 1987)
Self - Journalist and Former Immigration Officer (1 episode, 1987)
Self - Linesman Programmer (1 episode, 1987)
Self - Formerly GLC Police Committee (1 episode, 1987)
Self - Dept of Criminology, Edinburgh University (1 episode, 1987)
Self - 'New Scientist' (1 episode, 1987)
Self - Data Protection Committee (1 episode, 1987)
Self - 'Personal Computer World' (1 episode, 1987)
Self - Former RAF Fighter Controller (1 episode, 1987)
Self - C-in-C, UK Air Forces (1 episode, 1987)
Self - Emergency Planner, Greater Glasgow Health Board (1 episode, 1987)
Self - Former US Army Captain (1 episode, 1987)
Self - Editor, 'Police Review' (1 episode, 1987)
Self - Former Chief Constable, Devon and Cornwall (1 episode, 1987)
Self - Greenwich Borough Council (1 episode, 1987)
Self - Institute of Date Processing Management (1 episode, 1987)
Self - Chief Constable, Greater Manchester & ACPO Chief (1 episode, 1987)
Self - Private Investigator (1 episode, 1987)
Self - Date Protection Registrar (1 episode, 1987)
Self - Former Inland Revenue Officer (1 episode, 1987)
Self - The American University, Washington DC (1 episode, 1988)
Self - Federation of American Scientists (1 episode, 1988)
Self - Features Editor, 'The Engineer' (1 episode, 1988)
Self - Chairman, Public Accounts Committee (1 episode, 1988)
Self - Former Conservative Party Official (1 episode)