| Office | Name | Dates |
Prime Minister and First Lord of the Treasury | Sir Anthony Eden | 6 April 19559 January 1957 |
| Lord High Chancellor of Great Britain | David Maxwell Fyfe, 1st Viscount Kilmuir | April 1955 |
Leader of the House of Lords Lord President of the Council | Robert Gascoyne-Cecil, 5th Marquess of Salisbury | April 1955 |
Leader of the House of Commons Lord Keeper of the Privy Seal | Harry Crookshank | April 1955 |
Leader of the House of Commons Lord Keeper of the Privy Seal | R. A. Butler | 20 December 1955 |
| Chancellor of the Exchequer | R. A. Butler | April 1955 |
| Chancellor of the Exchequer | Harold Macmillan | 20 December 1955 |
| Parliamentary Secretary to the Treasury | Patrick Buchan-Hepburn | April 1955 |
| Parliamentary Secretary to the Treasury | Edward Heath | 30 December 1955 |
| Financial Secretary to the Treasury | Henry Brooke | April 1955 |
| Economic Secretary to the Treasury | Sir Edward Boyle | 7 April 1955 |
| Economic Secretary to the Treasury | Derek Walker-Smith | 11 November 1956 |
| Lords of the Treasury | Edward Heath | April 195520 December 1955 |
| Lords of the Treasury | Hendrie Oakshott | April 195513 June 1955 |
| Lords of the Treasury | Martin Redmayne | April 19559 January 1957 |
| Lords of the Treasury | Richard Thompson | April 19558 April 1956 |
| Lords of the Treasury | Gerard Wills | April 19559 January 1957 |
| Lords of the Treasury | Peter Legh | 13 June 19559 January 1957 |
| Lords of the Treasury | Edward Wakefield | 24 January 19569 January 1957 |
| Lords of the Treasury | Harwood Harrison | 8 April 19569 January 1957 |
| Secretary of State for Foreign Affairs | Harold Macmillan | 7 April 1955 |
| Secretary of State for Foreign Affairs | Selwyn Lloyd | 20 December 1955 |
| Minister of State for Foreign Affairs | Gerald Isaacs, 2nd Marquess of Reading | April 19559 January 1957 |
| Minister of State for Foreign Affairs | Anthony Nutting | April 19553 November 1956 |
| Minister of State for Foreign Affairs | Allan Noble | 9 November 19569 January 1957 |
| Parliamentary Under-Secretary of State for Foreign Affairs | Robin Turton | April 195520 December 1955 |
| Parliamentary Under-Secretary of State for Foreign Affairs | Douglas Dodds-Parker | 20 December 19559 January 1957 |
| Parliamentary Under-Secretary of State for Foreign Affairs | Lord John Hope | April 19559 November 1956 |
| Parliamentary Under-Secretary of State for Foreign Affairs | David Ormsby-Gore | 9 November 19569 January 1957 |
Secretary of State for the Home Department and Welsh Affairs | Gwilym Lloyd-George | April 1955 |
| Under-Secretary of State for the Home Department | Sir Hugh Lucas-Tooth | April 195520 December 1955 |
| Under-Secretary of State for the Home Department | Stormont Mancroft, 2nd Baron Mancroft | April 19559 January 1957 |
| First Lord of the Admiralty | James Thomas | April 1955 |
| First Lord of the Admiralty | Quintin Hogg, 2nd Viscount Hailsham | 2 September 1956 |
| Parliamentary and Financial Secretary to the Admiralty | Allan Noble | April 1955 |
| Parliamentary and Financial Secretary to the Admiralty | George Ward | 20 December 1955 |
| Civil Lord of the Admiralty | Simon Wingfield Digby | April 1955 |
| Minister of Agriculture and Fisheries | Derick Heathcoat-Amory | April 1955 |
| Parliamentary Secretary to the Ministry of Agriculture and Fisheries | Richard Nugent | April 19559 January 1957 |
| Parliamentary Secretary to the Ministry of Agriculture and Fisheries | Michael Hicks Beach, 2nd Earl St Aldwyn | April 19559 January 1957 |
| Parliamentary Secretary to the Ministry of Agriculture and Fisheries | Harmar Nicholls | 7 April 19559 January 1957 |
| Parliamentary Secretary to the Ministry of Agriculture and Fisheries | William Deedes | 20 December 19559 January 1957 |
| Secretary of State for Air | William Sidney, 6th Baron de L'Isle and Dudley | April 1955 |
| Secretary of State for Air | Nigel Birch | 20 December 1955 |
| Under-Secretary of State for Air | George Ward | April 1955 |
| Under-Secretary of State for Air | Christopher Soames | 20 December 1955 |
| Secretary of State for the Colonies | Alan Lennox-Boyd | April 1955 |
| Minister of State for the Colonies | Henry Hopkinson | April 1955 |
| Minister of State for the Colonies | John Hare | 20 December 1955 |
| Minister of State for the Colonies | John Maclay | 18 October 1956 |
| Under-Secretary of State for the Colonies | Alexander Lloyd, 2nd Baron Lloyd | April 1955 |
| Secretary of State for Commonwealth Relations | Alec Douglas-Home, 14th Earl of Home | 7 April 1955 |
| Under-Secretary of State for Commonwealth Relations | Douglas Dodds-Parker | April 1955 |
| Under-Secretary of State for Commonwealth Relations | Allan Noble | 20 December 1955 |
| Under-Secretary of State for Commonwealth Relations | Lord John Hope | 9 November 1956 |
| Minister of Defence | Selwyn Lloyd | 7 April 1955 |
| Minister of Defence | Sir Walter Monckton | 20 December 1955 |
| Minister of Defence | Antony Head | 18 October 1956 |
| Parliamentary Secretary to the Ministry of Defence | Peter Carrington, 6th Baron Carrington | April 1955 |
| Parliamentary Secretary to the Ministry of Defence | Archibald Acheson, 6th Earl of Gosford | 26 May 1956 |
| Minister of Education | Sir David Eccles | April 1955 |
| Parliamentary Secretary to the Ministry of Education | Dennis Vosper | April 1955 |
| Minister of Food | Derick Heathcoat-Amory | April 1955 |
| Parliamentary Secretary to the Ministry of Food | Charles Hill | April 1955 |
| Minister of Fuel and Power | Geoffrey Lloyd | April 1955 |
| Minister of Fuel and Power | Aubrey Jones | 20 December 1955 |
| Parliamentary Secretary to the Ministry of Fuel and Power | Lancelot Joynson-Hicks | April 1955 |
| Parliamentary Secretary to the Ministry of Fuel and Power | David Lockhart-Mure Renton | 20 December 1955 |
| Minister of Health | Iain Macleod | April 1955 |
| Minister of Health | Robin Turton | 20 December 1955 |
| Parliamentary Secretary to the Ministry of Health | Patricia Hornsby-Smith | April 1955 |
| Minister of Housing and Local Government | Duncan Sandys | April 1955 |
| Parliamentary Secretary to the Ministry of Housing and Local Government | William Deedes | April 1955 |
| Parliamentary Secretary to the Ministry of Housing and Local Government | Enoch Powell | 20 December 1955 |
| Minister of Labour and National Service | Sir Walter Monckton | April 1955 |
| Minister of Labour and National Service | Iain Macleod | 20 December 1955 |
| Parliamentary Secretary to the Ministry of Labour | Harold Watkinson | April 1955 |
| Parliamentary Secretary to the Ministry of Labour | Robert Carr | 20 December 1955 |
| Chancellor of the Duchy of Lancaster | Frederick Marquis, 1st Viscount Woolton | April 1955 |
| Chancellor of the Duchy of Lancaster | George Douglas-Hamilton, 10th Earl of Selkirk | 20 December 1955 |
| Minister without Portfolio | Geoffrey FitzClarence, 5th Earl of Munster | April 19558 January 1957 |
| Paymaster General | George Douglas-Hamilton, 10th Earl of Selkirk | April 1955 |
| Paymaster General | Vacant | 20 December 1955 |
| Paymaster General | Sir Walter Monckton | 18 October 1956 |
| Minister of Pensions | Osbert Peake | April 1955 |
| Minister of Pensions | John Boyd-Carpenter | 20 December 1955 |
| Parliamentary Secretary to the Ministry of Pensions | John Smyth | April 195520 December 1955 |
| Parliamentary Secretary to the Ministry of Pensions | Ernest Marples | April 195520 December 1955 |
| Parliamentary Secretary to the Ministry of Pensions | Edith Pitt | 20 December 19559 January 1957 |
| Parliamentary Secretary to the Ministry of Pensions | Richard Wood | 20 December 19559 January 1957 |
| Postmaster-General | Charles Hill | 7 April 1955 |
| Assistant Postmaster-General | David Gammans | April 1955 |
| Assistant Postmaster-General | Cuthbert Alport | 20 December 1955 |
| Secretary of State for Scotland | James Stuart | April 1955 |
| Minister of State for Scotland | Tom Galbraith | 7 April 1955 |
| Under-Secretary of State for Scotland | William McNair Snadden | April 19553 June 1955 |
| Under-Secretary of State for Scotland | James Henderson Stewart | April 19559 January 1957 |
| Under-Secretary of State for Scotland | Jack Nixon Browne | 7 April 19559 January 1957 |
| Under-Secretary of State for Scotland | Niall Macpherson | 13 June 19559 January 1957 |
| Minister of Supply | Reginald Maudling | 7 April 1955 |
| Parliamentary Secretary to the Ministry of Supply | Frederick Erroll | 7 April 1955 |
| Parliamentary Secretary to the Ministry of Supply | Ian Harvey | 11 November 1956 |
| President of the Board of Trade | Peter Thorneycroft | April 1955 |
| Minister of State for Trade | Derick Heathcoat-Amory | April 1955 |
| Parliamentary Secretary to the Board of Trade | Donald Kaberry | 7 April 1955 |
| Parliamentary Secretary to the Board of Trade | Derek Walker-Smith | 19 October 1955 |
| Parliamentary Secretary to the Board of Trade | Frederick Erroll | 11 November 1956 |
| Minister of Transport | John Boyd-Carpenter | April 1955 |
| Minister of Transport | Harold Watkinson | 20 December 1955 |
| Parliamentary Secretary to the Ministry of Transport | John Profumo | April 19559 January 1957 |
| Parliamentary Secretary to the Ministry of Transport | Hugh Molson | April 19559 January 1957 |
| Secretary of State for War | Antony Head | April 1955 |
| Secretary of State for War | John Hare | 18 October 1956 |
| Under-Secretary of State and Financial Secretary for War | Fitzroy Maclean | April 1955 |
| Minister of Works | Nigel Birch | April 1955 |
| Minister of Works | Patrick Buchan-Hepburn | 20 December 1955 |
| Parliamentary Secretary to the Ministry of Works | Reginald Bevins | April 1955 |
| Attorney General | Sir Reginald Manningham-Buller | April 1955 |
| Solicitor General | Sir Harry Hylton-Foster | April 1955 |
| Lord Advocate | William Rankine Milligan | April 1955 |
| Solicitor General for Scotland | William Grant | April 1955 |
| Treasurer of the Household | Cedric Drewe | April 1955 |
| Treasurer of the Household | Tam Galbraith | 13 June 1955 |
| Comptroller of the Household | Tam Galbraith | April 1955 |
| Comptroller of the Household | Hendrie Oakshott | 13 June 1955 |
| Vice-Chamberlain of the Household | Henry Studholme | April 1955 |
| Vice-Chamberlain of the Household | Richard Thompson | 8 April 1956 |
| Captain of the Gentlemen-at-Arms | Hugh Fortescue, 5th Earl Fortescue | April 1955 |
| Captain of the Yeomen of the Guard | William Onslow, 6th Earl of Onslow | April 1955 |
| Lords in Waiting | Bladen Wilmer Hawke, 9th Baron Hawke | April 19559 January 1957 |
| Lords in Waiting | Thomas Brian McKelvie Fairfax, 13th Lord Fairfax of Cameron | April 19559 January 1957 |
| Lords in Waiting | John Cavendish, 5th Baron Chesham | April 19559 January 1957 |