| Office | Name | Dates | Notes |
Prime Minister,
First Lord of the Treasury
and Minister for the Civil Service | Harold Wilson | 4 March 1974 – 5 April 1976 | |
| James Callaghan | 5 April 1976 – 4 May 1979 | |
| Minister of State, Civil Service Department | Robert Sheldon | 7 March 1974 | |
| Charles Morris | 18 October 1974 | |
| Parliamentary Secretary, Civil Service Department | John Grant | 7 March 1974 – 18 October 1974 | |
| Lord Chancellor | Lord Elwyn-Jones | 5 March 1974 | |
Lord President of the Council
and Leader of the House of Commons | Edward Short | 5 March 1974 | |
| Michael Foot | 8 April 1976 | |
| Minister of State for the Privy Council Office | Gerald Fowler | 18 October 1974 | |
| Lord Crowther-Hunt | 23 January 1976 | |
| John Smith | 8 April 1976 | |
| Lady Birk | 3 January 1979 | |
| Parliamentary Secretary to the Privy Council Office | William Price | 18 October 1974 | |
Lord Privy Seal
and Leader of the House of Lords | The Lord Shepherd | 7 March 1974 | |
| The Lord Peart | 10 September 1976 | |
| Chancellor of the Exchequer | Denis Healey | 5 March 1974 | |
| Chief Secretary to the Treasury | Joel Barnett | 7 March 1974 | In Cabinet from Feb 1977 |
| Parliamentary Secretary to the Treasury | Robert Mellish | 5 March 1974 | |
| Michael Cocks | 8 April 1976 | |
| Paymaster General to the Treasury | Edmund Dell | 7 March 1974 | |
| Financial Secretary to the Treasury | John Gilbert | 7 March 1974 | |
| Robert Sheldon | 17 June 1975 | |
| Minister of State, Treasury | Robert Sheldon | 18 October 1974 | |
| Denzil Davies | 17 June 1975 | |
| Lords of the Treasury | Donald Coleman | 8 March 1974 – 6 July 1978 | |
| James Dunn | 8 March 1974 – 14 April 1976 | |
| John Golding | 8 March 1974 – 18 October 1974 | |
| Tom Pendry | 8 March 1974 – 18 January 1977 | |
| James Hamilton | 8 March 1974 – 28 June 1974 | |
| Michael Cocks | 28 June 1974 – 8 April 1976 | |
| Jack Dormand | 18 October 1974 – 4 May 1979 | |
| David Stoddart | 4 April 1976 – 18 November 1977 | |
| Edward Graham | 14 April 1976 – 4 May 1979 | |
| Tom Cox | 19 January 1977 – 4 May 1979 | |
| Peter Snape | 23 November 1977 – 4 May 1979 | |
| Albert Stallard | 5 July 1978 – 17 January 1979 | |
| Alfred Bates | 17 January 1979 – 4 May 1979 | |
| Secretary of State for Foreign and Commonwealth Affairs | James Callaghan | 5 March 1974 | |
| Anthony Crosland | 8 April 1976 | |
| David Owen | 21 February 1977 | |
| Minister of State for Foreign and Commonwealth Affairs | David Ennals | 7 March 1974 – 8 April 1976 | |
| Roy Hattersley | 7 March 1974 – 10 September 1976 | |
| Lord Goronwy-Roberts | 4 December 1975 – 4 May 1979 | |
| Ted Rowlands | 14 April 1976 – 4 May 1979 | |
| David Owen | 10 September 1976 – 21 February 1977 | |
| Frank Judd | 21 February 1977 – 4 May 1979 | |
| Under-Secretary of State for Foreign and Commonwealth Affairs | Joan Lestor | 8 March 1974 – 12 June 1975 | |
| Lord Goronwy-Roberts | 8 March 1974 – 4 December 1975 | |
| Ted Rowlands | 12 June 1975 – 14 April 1976 | |
| John Tomlinson | 17 March 1976 – 4 May 1979 | Also Overseas Development |
| Evan Luard | 14 April 1976 – 4 May 1979 | |
| Minister for Overseas Development | Judith Hart | 7 April 1974 | Subordinated to Foreign and Commonwealth Affairs 10 June 1975 |
| Minister of Overseas Development | Reginald Prentice | 10 June 1975 | |
| Frank Judd | 21 December 1976 | |
| Judith Hart | 21 February 1977 | |
| Parliamentary Secretary to the Ministry of Overseas Development | William Price | 11 March 1974 | |
| John Grant | 18 October 1974 | |
| Frank Judd | 14 April 1976 | |
| John Tomlinson | 3 January 1977 | |
| Secretary of State for the Home Department | Roy Jenkins | 5 March 1974 | |
| Merlyn Rees | 10 September 1976 | |
| Minister of State for Home Affairs | Lord Harris | 8 March 1974 – 3 January 1979 | |
| Alex Lyon | 8 March 1974 – 14 April 1976 | |
| Brynmor John | 14 April 1976 – 4 May 1979 | |
| Lord Boston | 3 January 1979 – 4 May 1979 | |
| Under-Secretary of State for Home Affairs | Shirley Summerskill | 8 March 1974 | |
| Minister of Agriculture, Fisheries and Food | Fred Peart | 5 March 1974 | |
| John Silkin | 10 September 1976 | |
| Minister of State for Agriculture, Fisheries and Food | Norman Buchan | 8 March 1974 | |
| Edward Stanley Bishop | 18 October 1974 | |
| Parliamentary Secretary to Agriculture, Fisheries and Food | Roland Moyle | 11 March 1974 | |
| Edward Stanley Bishop | 28 June 1974 | |
| Gavin Strang | 18 October 1974 | |
| Secretary of State for Defence | Roy Mason | 4 March 1974 | |
| Frederick Mulley | 10 September 1976 | |
| Minister of State for Defence | William Rodgers | 4 March 1974 | |
| John Gilbert | 10 September 1976 | |
| Under-Secretary of State for the Navy | Frank Judd | 8 March 1974 | |
| Patrick Duffy | 14 April 1976 | |
| Under-Secretary of State for the Air Force | Brynmor John | 8 March 1974 | |
| James Wellbeloved | 14 April 1976 | |
| Under-Secretary of State for the Army | John Desmond Brayley | 4 March 1974 | |
| Robert Brown | 18 October 1974 | |
| Secretary of State for Education and Science | Reginald Prentice | 5 March 1974 | |
| Frederick Mulley | 10 June 1975 | |
| Shirley Williams | 10 September 1976 | |
| Minister of State, Education and Science | Gerald Fowler | 8 March 1974 | |
| Norman Crowther Hunt | 18 October 1974 | |
| Gerald Fowler | 23 January 1976 | |
| Gordon Oakes | 10 September 1976 | |
| Janet Young | 7 May 1979 | |
| Under-Secretary of State, Education and Science | Ernest Armstrong | 7 March 1974 | |
| Joan Lestor | 12 June 1975 | |
| Margaret Jackson | 12 March 1976 | |
| Secretary of State for Employment | Michael Foot | 5 March 1974 | |
| Albert Booth | 8 April 1976 |
| Minister of State, Employment | Albert Booth | 8 March 1976 | |
| Harold Walker | 14 April 1976 | |
| Under-Secretary of State, Employment | John Fraser | 8 March 1974 – 14 April 1976 | |
| Harold Walker | 8 March 1974 – 14 April 1976 | |
| John Golding | 14 April 1976 – 4 May 1979 | |
| John Grant | 14 April 1976 – 4 May 1979 | |
| Secretary of State for Energy | Eric Varley | 5 March 1974 | |
| Tony Benn | 10 May 1975 | |
| Minister of State, Energy | Thomas Balogh | 7 March 1974 | |
| John Smith | 4 December 1975 | |
| Dickson Mabon | 14 April 1976 | |
| Under-Secretary of State, Energy | Gavin Strang | 7 March 1974 – 18 October 1974 | |
| Alex Eadie | 7 March 1974 – 4 May 1979 | |
| John Smith | 18 October 1974 – 4 December 1975 | |
| Peter Lovell Davis | 4 December 1975 – 14 April 1976 | |
| Gordon Oakes | 14 April 1976 – 10 September 1976 | |
| Jack Cunningham | 10 September 1976 – 4 May 1979 | |
| Secretary of State for the Environment | Anthony Crosland | 5 March 1974 | |
| Peter Shore | 8 April 1976 | |
| Minister of State, Urban Affairs | Charles Morris | 7 March 1974 – 18 October 1974 | |
| Minister of State (Sport, Recreation and Water Resources) | Denis Howell | 7 March 1974 – 4 May 1979 | |
| Under-Secretary of State, Environment | Gerald Kaufman | 8 March 1974 – 12 June 1975 | |
| Neil Carmichael | 8 March 1974 – 4 December 1975 | |
| Gordon Oakes | 8 March 1974 – 14 April 1976 | |
| Alma Birk | 18 October 1974 – 3 January 1979 | |
| Ernest Armstrong | 12 June 1975 – 4 May 1979 | |
| Guy Barnett | 5 December 1975 – 4 May 1979 | |
| Kenneth Marks | 14 April 1976 – 4 May 1979 | |
| Phyllis Stedman | 3 January 1979 – 4 May 1979 | |
| Minister for Planning and Local Government | John Silkin | 7 March 1974 | In Cabinet from 18 Oct 1974. Office abolished 10 Sep 1976 |
| Minister for Transport | Fred Mulley | 7 March 1974 | |
| John Gilbert | 12 June 1975 | Separate department and Cabinet Minister from 10 Sep 1976 |
| Minister for Housing and Construction | Reg Freeson | 7 March 1974 | |
| Secretary of State for Social Services | Barbara Castle | 5 March 1974 | |
| David Ennals | 8 April 1976 | |
| Minister of State, Health and Social Security | Brian O'Malley | 8 March 1974 – 6 April 1976 | |
| David Owen | 26 July 1974 – 10 September 1976 | |
| Stan Orme | 8 April 1976 – 4 May 1979 | In Cabinet as Minister for Social Security from 10 Sep 1976 |
| Roland Moyle | 10 September 1976 – 4 May 1979 | |
| Under-Secretary of State, Health and Social Security | David Owen | 8 March 1974 – 26 July 1974 | |
| Robert Brown | 8 March 1974 – 18 October 1974 | |
| Alec Jones | 18 October 1974 – 12 June 1975 | |
| Michael Meacher | 12 June 1975 – 14 April 1976 | |
| Eric Deakins | 14 April 1976 – 4 May 1979 | |
| Lord Wells-Pestell | 3 January 1979 – 4 May 1979 | |
| Under-Secretary of State, Disabled Industry | Alf Morris | 11 March 1974 – 4 May 1979 | |
| Secretary of State for Industry | Tony Benn | 5 March 1974 | Also Minister for Posts and Telecommunications 7-29 March 1974 |
| Eric Varley | 10 June 1975 | |
| Minister of State, Industry | Eric Heffer | 7 March 1947 – 9 April 1975 | |
| Lord Beswick | 11 March 1974 – 4 December 1975 | |
| Gerald Kaufman | 4 December 1975 – 14 April 1976 | |
| A. Williams | 14 April 1976 – 4 May 1979 | |
| Under-Secretary of State, Trade | Gregor Mackenzie | 7 March 1974 – 10 June 1975 | |
| Michael Meacher | 7 March 1974 – 12 June 1975 | |
| Gerald Kaufman | 12 June 1975 – 4 December 1975 | |
| Lord Melchett | 4 December 1975 – 10 September 1976 | |
| Neil Carmichael | 4 December 1975 – 14 April 1976 | |
| Les Huckfield | 4 April 1976 – 4 May 1979 | |
| Bob Cryer | 10 September 1976 – 20 November 1978 | |
| Chancellor of the Duchy of Lancaster | Harold Lever | 5 March 1974 |
| Secretary of State for Northern Ireland | Merlyn Rees | 5 March 1974 | |
| Roy Mason | 10 September 1976 | |
| Minister of State, Northern Ireland | Stan Orme | 7 March 1974 – 8 April 1976 | |
| Roland Moyle | 27 June 1974 – 10 September 1976 | |
| Don Concannon | 14 April 1976 – 4 May 1979 | |
| Lord Melchett | 10 September 1976 – 4 May 1979 | |
