Members of the National Security Council are:
The Prime MinisterThe National Security Council is chaired by the Prime Minister.
Deputy Prime MinisterThe Deputy PM is the Deputy Chair of the Council.
Deputy Prime Minister Nick Clegg
The Chancellor of the ExchequerChancellor of the Exchequer George Osborne
The Foreign SecretaryForeign Secretary William Hague
The Defence Secretary
The Home Secretary
The Secretary of State for the Department for International DevelopmentSecretary of State for the Department for International Development Andrew Mitchell
The Secretary of State for Energy and SecuritySecretary of State for Energy and Security Chris Huhne
The Chief Secretary to the TreasuryThe Chief Secretary to the Treasury Danny Alexander
The Minister for Government PolicyThe Minister for Government Policy, Oliver Letwin, is based in the Cabinet Office.
Minister for Government Policy Oliver Letwin
The Security MinisterThe Security Minister, Baroness Neville Jones, is based in the Home Office.
Security Minister Baroness Neville Jones
Other Cabinet Ministers attend as required (i.e. depending on what the Council is discussing). Similarly the Chief of the Defence Staff, Heads of Intelligence Agencies also attend when required.